Misplaced Pages

#643356

82-395: Survival Zone is a 1983 South African post-apocalyptic action-thriller directed by Percival Rubens and starring Gary Lockwood , Camilla Sparv , Morgan Stevens , and Zoli Marki . In the near future of 1989, the world has collapsed during a nuclear war and the few survivors must make do as best they can. Ben Faber operates a family farm and is isolated from world events. They live

164-588: A biodiversity hotspot being under the immediate threat from habitat destruction through logging, and the less-visible, yet ever-growing and persistent threat from climate change . Biological conservation can help to preserve threatened species and threatened ecosystems alike. However, time is of the essence. Just as interventions to preserve a species have to occur before it falls below viable population limits, at which point an extinction debt occurs regardless of what comes after, efforts to protect ecosystems must occur in response to early warning signals, before

246-736: A savannah -type mixture of trees and grass within 50 years and the Caribbean coral reefs could collapse within 15 years once a state of collapse has been reached. Another indicated that large ecosystem disruptions will occur earlier under more intense climate change: under the high-emissions RCP8.5 scenario, ecosystems in the tropical oceans would be the first to experience abrupt disruption before 2030, with tropical forests and polar environments following by 2050. In total, 15% of ecological assemblages would have over 20% of their species abruptly disrupted if as warming eventually reaches 4 °C (7.2 °F); in contrast, this would happen to fewer than 2% if

328-549: A byproduct of subsequent evolution. In the Carboniferous period, coal forests , great tropical wetlands , extended over much of Euramerica (Europe and America). This land supported towering lycopsids which fragmented and collapsed abruptly. The collapse of the rainforests during the Carboniferous has been attributed to multiple causes , including climate change and volcanism . Specifically, at this time climate became cooler and drier, conditions that are not favourable to

410-440: A collection of interacting organisms within a biophysical environment . Ecosystems are never static, and are continually subject to both stabilizing and destabilizing processes. Stabilizing processes allow ecosystems to adequately respond to destabilizing changes, or perturbations, in ecological conditions, or to recover from degradation induced by them: yet, if destabilizing processes become strong enough or fast enough to cross

492-435: A critical threshold within that ecosystem, often described as an ecological 'tipping point', then an ecosystem collapse (sometimes also termed ecological collapse ). occurs. Ecosystem collapse does not mean total disappearance of life from the area, but it does result in the loss of the original ecosystem's defining characteristics, typically including the ecosystem services it may have provided. Collapse of an ecosystem

574-452: A future threat. In the video game Chrono Trigger (1995), the giant alien creature Lavos collides with the earth in prehistoric times, subsequently hibernating beneath the earth. As millions of years pass, the monster feeds on the energy of the earth, eventually surfacing in 1999 to wreak complete destruction of the human race, atmosphere, and general life on the planet in the form of a rain of destruction fired from its outer shell, known as

656-463: A group of friends who discover an alien invasion during a pub crawl in their hometown. In the 2018 horror film A Quiet Place , the 2021 sequel A Quiet Place Part II , and a 2024 movie A Quiet Place: Day One society has collapsed in the wake of lethal attacks by extraterrestrial creatures who, having no eyesight, hunt humans and other creatures with their highly sensitive hearing; the scattered survivors live most of their lives in near-silence as

738-512: A horned fish and Shesha appeared as a rope, with which Vaivasvata Manu fastened the boat to the horn of the fish. Variants of this story also appear in Buddhist and Jain scriptures. The 1st centuries CE saw the recording of the Book of Revelation (from which the word apocalypse originated, meaning ' {{{1}}} ' ), which is filled with prophecies of destruction, as well as luminous visions. In

820-490: A minimal sustainable size, or when key biotic processes and features disappear due to environmental degradation or disruption of biotic interactions. These different pathways to collapse can be used as criteria for estimating the risk of ecosystem collapse. Although states of ecosystem collapse are often defined quantitatively, few studies adequately describe transitions from pristine or original state towards collapse. In another example, 2004 research demonstrated how during

902-692: A multinational effort is put in place to construct an ark for the preservation of Humanity, built around the International Space Station . Brian Aldiss ' novel Hothouse (1961) occurs in a distant future where the Sun is much hotter and stronger, and the human population has been reduced to a fifth of what it had been. J. G. Ballard 's novel The Drowned World (1962) occurs after a rise in solar radiation that causes worldwide flooding and accelerated mutation of plants and animals. Jerry Pournelle and Larry Niven 's novel, Lucifer's Hammer (1977),

SECTION 10

#1732855719644

984-460: A new Heaven and a new Earth, and its intended Christian audience is often enchanted and inspired, rather than terrified by visions of Judgment Day. These Christians believed themselves chosen for God's salvation, and so such apocalyptic sensibilities inspired optimism and nostalgia for the end times. The Norse poem Völuspá from the Poetic Edda details the creation, coming doom, and rebirth of

1066-504: A non-technological future world or a world where only scattered elements of society and technology remain. Numerous ancient societies, including the Babylonian and Judaic, produced apocalyptic literature and mythology which dealt with the end of the world and human society, such as the Epic of Gilgamesh , written c. 2000–1500 BCE. Recognizable modern apocalyptic novels had existed since at least

1148-404: A one-way trip to Mars . When the Sun begins to go nova, everything is on schedule, but most of the spaceships turn out to be defective, and fail en route to Mars. In Neal Stephenson 's novel Seveneves , The Moon is destroyed by an unknown agent, forming a massive debris cloud. This cloud threatens to produce a White Sky , which then causes a massive bombardment of Moon fragments. Due to this,

1230-461: A plague or virus, whether natural or man-made; religious, such as the Rapture or Great Tribulation ; or imaginative, such as zombie apocalypse or alien invasion . The story may involve attempts to prevent an apocalypse event, deal with the impact and consequences of the event itself, or may be post-apocalyptic and set after the event. The time frame may be immediately after the catastrophe, focusing on

1312-495: A prolonged period of time even if it can be reversed. While collapse events can occur naturally with disturbances to an ecosystem—through fires, landslides, flooding, severe weather events, disease, or species invasion —there has been a noticeable increase in human-caused disturbances over the past fifty years. The combination of environmental change and the presence of human activity is increasingly detrimental to ecosystems of all types, as our unrestricted actions often increase

1394-501: A reasonably happy life until they are besieged by a brutal and cannibalistic motorcycle gang who want to eat men and reproduce with the women. The family is forced to protect themselves with the weapons found in the house. Concurrent with this they have given a mysterious stranger shelter. Survival Zone is a low-budget "B" film inspired by the Australian film Mad Max 2 . Screenplay, direction and production by Percival Rubens with

1476-565: A result. In Philip Wylie and Edwin Balmer's novel When Worlds Collide (1933), Earth is destroyed by the rogue planet Bronson Alpha. A selected few escape on a spaceship. In the sequel, After Worlds Collide (1934), the survivors start a new life on the planet's companion Bronson Beta, which has taken over the orbit formerly occupied by Earth. In J. T. McIntosh 's novel One in Three Hundred (1954), scientists have discovered how to pinpoint

1558-463: A school visit to a cave. In the obscure 2013 Australian film These Final Hours , a massive asteroid hits the Atlantic Ocean dooming all life. The film follows James, who decides to head to the 'party-to-end-all-parties' and there spend the last 12 hours before the global firestorm reaches Western Australia. Ecological collapse An ecosystem , short for ecological system , is defined as

1640-547: A screenwriting assist by Eric Brown. In Creature Feature, John Stanley found the movie predictable, giving it two out of five stars. However, he did find that the movie offers surprising philosophical take on life after an apocalypse. This South African film-related article is a stub . You can help Misplaced Pages by expanding it . This article about an action thriller film is a stub . You can help Misplaced Pages by expanding it . Post-apocalyptic The story may involve attempts to prevent an apocalypse event, deal with

1722-410: A sea-level rise that kills most of the population (though this may be redemptive, like Noah's Flood , rather than a disaster). In Greg Bear 's The Forge of God (1987), Earth is destroyed in an alien attack. Just prior to this, a different group of aliens is able to save samples of the biosphere and a small number of people, resettling them on Mars. Some of these form the crew of a ship to hunt down

SECTION 20

#1732855719644

1804-401: A spacecraft that will go to an unknown destination away from the destroyed Earth. The later books deal with the few survivors waking up from a 500-year hibernation and succumbing to both strange mutations and the will of a strange alien computer/spaceship that they land on. Eventually they return to Earth to find a couple colonies of survivors struggling on a harsh planet completely different from

1886-541: A technological past "protruding into a more primitive... landscape", a theme known as the "ruined Earth", have been described as "among the most potent of [science fiction]'s icons". Ancient Mesopotamian texts containing the oldest surviving apocalyptic literature , including the Eridu Genesis and the Epic of Gilgamesh , both of which date to around 2000-1500 BCE. Both describe angry gods sending floods to punish humanity, and

1968-444: Is "a change from a baseline state beyond the point where an ecosystem has lost key defining features and functions, and is characterised by declining spatial extent, increased environmental degradation, decreases in, or loss of, key species , disruption of biotic processes, and ultimately loss of ecosystem services and functions". Ecosystem collapse has also been described as "an analogue of species extinction ", and in many cases, it

2050-503: Is a global standard that was developed to assess threats to various ecosystems on local, regional, national, and global scales, as well as to prompt conservation efforts in the face of the unparalleled decline of natural systems in the last decade. And though this effort is still in the earlier stages of implementation, the IUCN has a goal to assess the risk of collapse for all of the world's ecosystems by 2025. The concept of ecosystem collapse

2132-476: Is a humorous take on alien invasion stories. Multiple Earths are repeatedly "demolished" by the bureaucratic Vogons to make way for a hyperspace bypass, to the chagrin of the protagonist Arthur Dent . In Gene Wolfe 's The Urth of the New Sun (1987), aliens (or highly evolved humans) introduce a white hole into the sun to counteract the dimming effect of a black hole , and the resulting global warming causes

2214-509: Is about a cataclysmic comet hitting Earth and various groups of people struggling to survive the aftermath in southern California. Hollywood—which previously had explored the idea of the Earth and its population being potentially endangered by a collision with another heavenly body with the When Worlds Collide (1951), a film treatment of the aforementioned 1933 novel – revisited the theme in

2296-406: Is called R50, which is a reliable measurement model for food web robustness. However, there are others: i.e. marine ecosystem assessments can use RAM Legacy Stock Assessment Database. In one example, 154 different marine fish species were studied to establish the relationship between pressures on fish populations such as overfishing and climate change , these populations; traits like growth rate, and

2378-487: Is easier to imagine the end of the world than it is to imagine the end of capitalism ". Lord Byron 's 1816 poem "Darkness" , included in The Prisoner of Chillon collection, on the apocalyptic end of the world and one man's survival, was one of the earliest English-language works in this genre. The sun was blotted out, leading to darkness and cold which kills off mankind through famine and ice-age conditions. The poem

2460-416: Is effectively irreversible more often than not, and even if the reversal is possible, it tends to be slow and difficult. Ecosystems with low resilience may collapse even during a comparatively stable time, which then typically leads to their replacement with a more resilient system in the biosphere . However, even resilient ecosystems may disappear during the times of rapid environmental change, and study of

2542-431: Is essentially a retelling of the Book of Revelation , combined with themes of the story of Adam and Eve . Unlike most apocalyptic tales, de Grainville's novel approaches the end of the world not as a cautionary tale, or a tale of survival, but as both an inevitable, as well as necessary, step for the spiritual resurrection of mankind. Edgar Allan Poe 's short story " The Conversation of Eiros and Charmion " (1839) follows

Survival Zone - Misplaced Pages Continue

2624-474: Is heavily damaged, and humanity nearly wiped out, by the direct collision of the real asteroid 99942 Apophis with the Earth in the year 2029. Marly Youmans ' epic poem Thaliad (2012) tells the story of a group of children after an unspecified apocalypse from the sky, perhaps connected with solar flares or meteor impact, resulting in people and animals having been burned and the skies having filled with ash. The children survive only because they were together on

2706-410: Is inevitably left as the last man alive. Shelley's novel is predated by Jean-Baptiste Cousin de Grainville 's French epic prose poem Le Dernier Homme (English: The Last Man [1805]), and this work is sometimes considered the first modern work to depict the end of the world. Published after his death in 1805, de Grainville's work follows the character of Omegarus, the titular "last man," in what

2788-424: Is irreversible, with a new ecosystem appearing instead, which may retain some characteristics of the previous ecosystem, yet has agreatly altered structure and function. There are exceptions where an ecosystem can be recovered past the point of a collapse, but by definition, will always be far more difficult to reverse than allowing a disturbed yet functioning ecosystem to recover, requiring active intervention and/or

2870-535: Is reminiscent of H. G. Wells ' War of the Worlds (1897). Charles R. Pellegrino and George Zebrowski 's novel The Killing Star (1995) describes a devastating attack on a late-21st-century Earth by an alien civilization. Using missiles traveling at relativistic speed , they are determined to destroy the human race in a preemptive strike, as they are considered, after watching several episodes of Star Trek: The Next Generation which shows human domination in space,

2952-483: Is the collapse of coral reef ecosystems. ). An effect of global climate change is the rising sea levels which can lead to reef drowning or coral bleaching . Human activity, such as fishing, mining, deforestation, etc., serves as a threat for coral reefs by affecting the niche of the coral reefs. For example, there is a demonstrated correlation between a loss in diversity of coral reefs by 30-60% and human activity such as sewage and/or industrial pollution. As of now there

3034-515: Is used in the framework to establish categories of risk for ecosystems, with the category Collapsed used as the end-point of risk assessment. Other categories of threat (Vulnerable, Endangered and Critically Endangered) are defined in terms of the probability or risk of collapse. A paper by Bland et al. suggests four aspects for defining ecosystem collapse in risk assessments: Scientists can predict tipping points for ecosystem collapse. The most frequently used model for predicting food web collapse

3116-437: Is widely applicable to many ecosystems even in data-poor circumstances. However, because using this tool is essentially comparing systems to a list of criteria, it is often limited in its ability to look at ecosystem decline holistically; and is thus often used in conjunction with simulation models that consider more aspects of decline such as eco system dynamics , future threats, and social-ecological relationships. The IUCN RLE

3198-457: The Amazon , specifically a 'fishbone' pattern formed by the development of roads into the forest. This is of great concern, not only because of the loss of a biome with many untapped resources and wholesale death of living organisms, but also because plant and animal species extinction is known to correlate with habitat fragmentation. In the year 2022, research found that more than three-quarters of

3280-764: The Genesis flood narrative is found in the 71st Chapter of the Quran ; however, unlike the Biblical story, the Quranic account explicitly claims that the deluge was only sent to the tribe of the Prophet Nūḥ ( نُوح ) ( ' Noah ' in Arabic ), and therefore, the deluge did not engulf the entire world. In the Hindu Dharmasastra , an apocalyptic deluge plays a prominent part. According to

3362-464: The IUCN Red List of Ecosystems has only been in development since 2008. Ecosystem collapse has been defined as a "transformation of identity, loss of defining features, and replacement by a novel ecosystem", and involves the loss of "defining biotic or abiotic features", including the ability to sustain the species which used to be associated with that ecosystem. According to another definition, it

Survival Zone - Misplaced Pages Continue

3444-767: The Last Glacial Maximum (LGM), alternations in the environment and climate led to a collapse of Lake Baikal and Lake Hovsgol ecosystems, which then drove species evolution. The collapse of Hovsgol's ecosystem during the LGM brought forth a new ecosystem, with limited biodiversity in species and low levels of endemism , in Hovsgol during the Holocene. That research also shows how ecosystem collapse during LGM in Lake Hovsgol led to higher levels of diversity and higher levels of endemism as

3526-623: The Matsya Purana , the Matsya avatar of Lord Vishnu , informed the King Manu of an all-destructive deluge which would be coming very soon. The King was advised to build a huge boat (ark) which housed his family, nine types of seeds, pairs of all animals and the Saptarishis to repopulate Earth, after the deluge would end and the oceans and seas would recede. At the time of the deluge , Vishnu appeared as

3608-487: The collapse of the Grand Banks cod in the early 1990s, when overfishing reduced fish populations to 1% of their historical levels. There are two tools commonly used together to assess risks to ecosystems and biodiversity: generic risk assessment protocols and stochastic simulation models. The most notable of the two tactics is risk assessment protocol, particularly because of the IUCN Red List of Ecosystems (RLE), which

3690-584: The fossil record was able to identify how certain ecosystems went through a collapse, such as with the Carboniferous rainforest collapse or the collapse of Lake Baikal and Lake Hovsgol ecosystems during the Last Glacial Maximum . Today, the ongoing Holocene extinction is caused primarily by human impact on the environment , and the greatest biodiversity loss so far had been due to habitat degradation and fragmentation , which eventually destroys entire ecosystems if left unchecked. There have been multiple notable examples of such an ecosystem collapse in

3772-506: The "Arkfalls", which terraforms Earth to an almost unrecognizable state. Unlike most apocalyptic works, in this one Earth is not inhospitable, and humanity is not on the verge of extinction. The World's End is a 2013 British-American comic science fiction film directed by Edgar Wright , written by Wright and Simon Pegg , and starring Pegg, Nick Frost , Paddy Considine , Martin Freeman , Eddie Marsan and Rosamund Pike . The film follows

3854-462: The "Day of Lavos". In the video game Half-Life (1998), hostile alien creatures arrive on Earth through a portal after a scientific experiment goes wrong. In its sequel, Half-Life 2 (2004), it is revealed to the player the creatures encountered in the first game are merely the slaves of a much more powerful alien race, the Combine, who have taken over the Earth to drain its resources after subduing

3936-499: The Air , the novel has become one of the best known early apocalyptic works. It has subsequently been reproduced or adapted several times in comic books, film, music, radio programming , television programming, and video games. Childhood's End is a 1953 science fiction novel by the British author Arthur C. Clarke , in which aliens come to Earth, human children develop fantastic powers and

4018-478: The Amazon rainforest has been losing resilience due to deforestation and climate change since the early 2000s as measured by recovery-time from short-term perturbations (the critical slowing down), reinforcing the theory that it is approaching a critical transition . Another study from 2022 found that that tropical, arid and temperate forests are substantially losing resilience. A major concern for marine biologists

4100-494: The Earth the Remnants knew. Melancholia (2011), the middle entry of filmmaker Lars von Trier 's "depression trilogy", ends with humanity completely wiped out by a collision with a rogue planet . The depressed protagonist reverses roles with her relatives as the crisis unfolds, as she turns out to be the only family member capable of calmly accepting the imminent impact event. In id Software 's video game Rage (2011), Earth

4182-484: The Gilgamesh version includes the ancient hero Utnapishtim and his family being saved through the intervention of the god Ea . The Biblical myth of Noah and his ark describes the destruction of the corrupt original civilization and its replacement with a remade world. Noah is assigned the task to build the ark and save two of each animal species in order to reestablish a new post-flood world. The Biblical story of

SECTION 50

#1732855719644

4264-477: The atmosphere which lowered the temperature and altered weather patterns throughout the world. This was the source for Byron's poem. Mary Shelley 's novel The Last Man (1826) is a continuation of the apocalyptic theme in fiction and is generally recognized as the first major fictional post-apocalyptic story. The plot follows a group of people as they struggle to survive in a plague-infected world. The story's male protagonist struggles to keep his family safe but

4346-522: The combined effects of overexplotaition, climate change and introduced exotic rats. The Aral Sea was an endorheic lake between Kazakhstan and Uzbekistan . It was once considered one of the largest lakes in the world but has been shrinking since the 1960s after the rivers that fed it were diverted for large scale irrigation. By 1997, it had declined to 10% of its original size, splitting into much smaller hypersaline lakes, while dried areas have transformed into desert steppes. The regime shift in

4428-563: The concept of destruction that causes public interest in apocalyptic themes. Such fiction is studied by social sciences , and may provide insights into a culture's fears, as well as things like the role imagined for public administration . Since the late 20th century, a surge of popular post-apocalyptic films can be observed. Christopher Schmidt notes that, while the world "goes to waste" for future generations, we distract ourselves from disaster by passively watching it as entertainment. Some have commented on this trend, saying that "it

4510-440: The conversation between two souls in the afterlife as they discuss the destruction of the world. The destruction was brought about by a comet that removed nitrogen from Earth's atmosphere; this left only oxygen and resulted in a worldwide inferno. Similarly, Giacomo Leopardi 's short dialogue " Dialogue between a Goblin and a Gnome " (1824) features a world without the presence of the human beings, most likely because they "violate[d]

4592-494: The destruction of Sodom and Gomorrah also has post-apocalyptic elements. The daughters of Lot , who mistakenly believe that the destruction had engulfed the whole world and that they and their father were the only surviving human beings, conclude that in such a situation it would be justified - and indeed vitally needed - to have sex with their father in order to ensure the survival of humanity. Such situations and dilemmas occur in modern post-apocalyptic fiction. A similar story to

4674-509: The elfin Eloi and the brutal Morlocks. Later in the story, the time traveler moves forward to a dying Earth beneath a swollen red sun. The War of the Worlds (1898) depicts an invasion of Earth by inhabitants of the planet Mars . The aliens systematically destroy Victorian England with advanced weaponry mounted on nearly indestructible vehicles. Due to the infamous radio adaptation of the novel by Orson Welles on his show, The Mercury Theatre on

4756-540: The entirety of Earth's governments and military forces in only seven hours. In the 2000 Don Bluth animated film Titan A.E. , Earth has been destroyed by the Drej, due to a human experimental discovery called Project Titan, which made them fear “what humanity will become”. The 2011 TV series Falling Skies , by Robert Rodat and Steven Spielberg , follows a human resistance force fighting to survive after extraterrestrial aliens attempt to take over Earth by disabling most of

4838-421: The exact minute, hour, and day the Sun will go " nova " – and when it does, it will boil away Earth's seas, beginning with the hemisphere that faces the sun, and as Earth continues to rotate, it will take only 24 hours before all life is eradicated. Super-hurricanes and tornadoes are predicted. Buildings will be blown away. A race is on to build thousands of spaceships for the sole purpose of transferring evacuees on

4920-560: The first chapter of Revelation, the writer St. John the Divine explains his divine errand: "Write the things which thou hast seen, the things which are, and the things which shall be hereafter" (Rev. 1:19). He takes it as his mission to convey—to reveal—to God's kingdom His promise that justice will prevail and that the suffering will be vindicated (Leigh). The apocalyptist provides a beatific vision of Judgement Day, revealing God's promise for redemption from suffering and strife. Revelation describes

5002-447: The first third of the 19th century, when Mary Shelley 's The Last Man (1826) was published; however, this form of literature gained widespread popularity after World War II , when the possibility of global annihilation by nuclear weapons entered the public consciousness. The apocalypse event may be climatic, such as runaway climate change ; natural, such as an impact event ; man made, such as nuclear holocaust ; medical, such as

SECTION 60

#1732855719644

5084-530: The growth of rainforests and much of the biodiversity within them. The sudden collapse in the terrestrial environment made many large vascular plants , giant arthropods , and diverse amphibians to go extinct, allowing seed-bearing plants and amniotes to take over (but smaller relatives of the affected ones survived also). The Rapa Nui subtropical broadleaf forests in Easter Island , formerly dominated by an endemic Palm , are considered collapsed due to

5166-464: The homeworld of the killers, as described in the sequel, Anvil of Stars (1992). Al Sarrantonio 's Moonbane (1989) concerns the origin of werewolves (he attributes it to the Moon, which is why they are so attracted to it), and an invasion after an explosion on Luna sends meteoric fragments containing latent lycanthropes to Earth, who thrive in our planet's oxygen-rich atmosphere. Moonbane ' s tone

5248-405: The impact and consequences of the event itself, or it may be post-apocalyptic, set after the event. The time may be directly after the catastrophe, focusing on the psychology of survivors, the way to keep the human race alive and together as one, or considerably later, often including that the existence of pre-catastrophe civilization has been mythologized. Post-apocalyptic stories often take place in

5330-513: The late 1990s with a trio of similarly themed projects. Asteroid (1997) is an NBC-TV miniseries about the U.S. government trying to prevent an asteroid from colliding with the Earth. The following year saw dueling big-budget summer blockbuster movies Deep Impact (1998) and Armageddon (1998), both of which involved efforts to save the Earth from, respectively, a rogue comet and an asteroid, by landing crews upon them to detonate nuclear weapons there in hopes of destroying them. Characters in

5412-584: The laws of nature, and [went] contrary to their welfare". Richard Jefferies ' novel After London (1885) can best be described as genuine post-apocalyptic fiction. After a sudden and unspecified catastrophe has depopulated England, the countryside reverts to nature and the few survivors return to a quasi-medieval way of life. The first chapters consist solely of a description of nature reclaiming England: fields becoming overrun by forest, domesticated animals running wild, roads and towns becoming overgrown, London reverting to lake and poisonous swampland. The rest of

5494-401: The northern Benguela upwelling ecosystem is considered an example of ecosystem collapse in open marine environments. Prior to the 1970s sardines were the dominant vertebrate consumers, but overfishing and two adverse climatic events ( Benguela Niño in 1974 and 1984) lead to an impoverished ecosystem state with high biomass of jellyfish and pelagic goby . Another notable example is

5576-422: The outside world. Furthermore, they often explore a world without modern technology whose rapid progress may overwhelm people as human brains are not adapted to contemporary society, but evolved to deal with issues that have become largely irrelevant, such as immediate physical threats. Such works depict worlds of less complexity, direct contact, and primitive needs. It is often the concept of change as much as

5658-562: The planet is destroyed. Argentine comic writer Héctor Germán Oesterheld 's comic series El Eternauta (1957 to 1959), an alien race only mentioned by the protagonists as Ellos ("Them") invades the Earth starting with a deadly snowfall and then using other alien races to defeat the remaining humans. In Alice Sheldon 's Nebula -winning novelette " The Screwfly Solution " (1977), aliens are wiping out humanity with an airborne agent that changes men's sexual impulses to violent ones. Douglas Adams 's Hitchhiker's Guide series (1979–2009)

5740-404: The plants of the rainforest will find it difficult to grow back in that area. Forest fragmentation also opens the path for illegal hunting. Species have a hard time finding a new place to settle in these fragments causing ecological collapse. This leads to extinction of many animals in the rainforest. A classic pattern of forest fragmentation is occurring in many rainforests including those of

5822-479: The recent past, such as the collapse of the Atlantic northwest cod fishery . More are likely to occur without a change in course, since estimates show that 87% of oceans and 77% of the land surface have been altered by humanity, with 30% of global land area is degraded and a global decline in ecosystem resilience. Deforestation of the Amazon rainforest is the most dramatic example of a massive, continuous ecosystem and

5904-549: The risk of abrupt (and potentially irreversible) changes post-disturbance; when a system would otherwise have been able to recover. Some behaviors that induce transformation are: human intervention in the balance of local diversity (through introduction of new species or overexploitation ), alterations in the chemical balance of environments through pollution, modifications of local climate or weather with anthropogenic climate change, and habitat destruction or fragmentation in terrestrial/marine systems. For instance, overgrazing

5986-428: The risk of ecosystem collapse. The measurement of "critical slowing down" (CSD) is one approach for developing early warning signals for a potential or likely onset of approaching collapse. It refers to increasingly slow recovery from perturbations. In 2020, one paper suggested that once a 'point of no return' is reached, breakdowns do not occur gradually but rapidly and that the Amazon rainforest could shift to

6068-431: The six-part ITV television drama serial The Last Train (1999) awaken from a cryogenic sleep after an asteroid the size of Birmingham strikes Africa, causing a worldwide apocalypse. K. A. Applegate 's 2001–2003 book series, Remnants , details the end of the world by asteroid collision. The first book, The Mayflower Project (2001), describes Earth in a sort of hysteria as 80 people are chosen by NASA to board

6150-428: The story is a straightforward adventure/quest set many years later in the wild landscape and society, but the opening chapters set an example for many later science fiction stories. H.G. Wells wrote several novels that have a post-apocalyptic theme. The Time Machine (1895) has the unnamed protagonist traveling to the year 802,701 A.D. after civilization has collapsed and humanity has split into two distinct species,

6232-459: The tipping point to a regime shift is crossed. Further, there is a substantial gap between the extent of scientific knowledge how extinctions occur, and the knowledge about how ecosystems collapse. While there have been efforts to create objective criteria used to determine when an ecosystem is at risk of collapsing, they are comparatively recent, and are not yet as comprehensive. While the IUCN Red List of threatened species has existed for decades,

6314-629: The travails or psychology of survivors, the way to maintain the human race alive and together as one, or considerably later, often including the theme that the existence of pre-catastrophe civilization has been forgotten (or mythologized). Post-apocalyptic stories often take place in a non-technological future world, or a world where only scattered elements of society and technology remain. Other themes may be cybernetic revolt , divine judgment , dysgenics , ecological collapse , pandemic , resource depletion , supernatural phenomena , technological singularity , or some other general disaster. The relics of

6396-501: The warming were to stay below 2 °C (3.6 °F). Rainforest collapse refers to the actual past and theoretical future ecological collapse of rainforests . It may involve habitat fragmentation to the point where little rainforest biome is left, and rainforest species only survive in isolated refugia. Habitat fragmentation can be caused by roads. When humans start to cut down the trees for logging, secondary roads are created that will go unused after its primary use. Once abandoned,

6478-400: The world's technology and destroying its armed forces in a surprise attack. It is implied that the attacking aliens are in reality former victims of an attack on their own planet and are now the slaves of an unseen controller race. The television series Defiance (2013–2015) is set in an Earth devastated by the "Pale Wars", a war with seven alien races referred to as the "Votan", followed by

6560-483: The world. The world's destruction includes fire and flood consuming the earth while mythic beasts do battle with the Aesir gods, during which they all perish in an event called Ragnarök . After the destruction, a pair of humans, a man and woman, find the world renewed and the god Baldr resurrected. Such works often feature the loss of a global perspective as protagonists are on their own, often with little or no knowledge of

6642-496: Was found to cause land degradation , specifically in Southern Europe , which is another driver of ecological collapse and natural landscape loss. Proper management of pastoral landscapes can mitigate risk of desertification . Despite the strong empirical evidence and highly visible collapse-inducing disturbances, anticipating collapse is a complex problem. The collapse can happen when the ecosystem's distribution decreases below

6724-514: Was influential in the emergence of "the last man" theme which appeared in the works of several poets, such as "The Last Man" by Thomas Campbell (1824) and "The Last Man" (1826) by Thomas Hood , as well as "The Last Man" by Thomas Lovell Beddoes . The year 1816 was known as the Year Without a Summer because Mount Tambora had erupted in the Dutch East Indies in 1815 that emitted sulphur into

#643356