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Form of population segregation
Population fragmentation is a form of population segregation. It is a biological consequence of habitat fragmentation in which a population is divided
Population_fragmentation
Topics referred to by the same term
market segment Population fragmentation, a form of population segregation Fragmented (album), a 2006 album by band Up Dharma Down Fragmentation function, a
Fragmentation
Discontinuities in an organism's environment causing population fragmentation
fragmentation is the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and
Habitat_fragmentation
Event causing release of space debris
these events contribute significantly to the orbital debris population. As a result, fragmentation debris represents one of the principal challenges for space
In-orbit_fragmentation
Species of bivalve
Ontario. In Canada, it is only known from the Sydenham River, with a small population in the north Thames River. To the south and west, it occurs as far as
Paetulunio
Family of sharks
genetic studies indicate that population fragmentation may further threaten their long-term survival, as isolated populations show reduced genetic diversity
Hammerhead_shark
Species of flowering plant
genetic diversity within populations is high, although there could be a future decline in diversity due to population fragmentation and intensive agriculture
Centaurea_cyanus
Subspecies of brown bear
female scent difficult in such low population densities. Population fragmentation of grizzlies may destabilize the population from inbreeding depression. The
Grizzly_bear
Canine native to Ethiopian Highlands
in North Wollo. Some Ethiopian wolf populations, particularly those in North Wollo, show signs of high fragmentation, which is likely to increase with current
Ethiopian_wolf
Species of wētā endemic to New Zealand
"Biologically Sparse", "Data Poor: Size", "Data Poor: Trend" and "Population Fragmentation". "Hemiandrus jacinda". iNaturalist. Retrieved 12 March 2021. Trewick
Hemiandrus_jacinda
Type of environment in which an organism lives
fragmentation is the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and
Habitat
Extinct species of rhinoceros of northern Eurasia
ability of woolly rhinoceros populations to colonise newly suitable habitat, thereby exacerbating the population fragmentation brought on by environmental
Woolly_rhinoceros
Species of bird
result from genetic drift, due to the recent reduction in population and range fragmentation. Until the early 20th century, the southern migratory birds
Sandhill_crane
Species of lizard
expansion of resort towns and the Lima Metropolitan Area have led to population fragmentation along a large portion of the species' native range. Continued development
Ctenoblepharys_adspersa
Large bear native to Eurasia and North America
recent, human-caused population fragmentation, brown bears in North America are generally part of a single interconnected population system, with the exception
Brown_bear
Species of amphibian
summer vacation in 1931. This species is currently threatened by population fragmentation, habitat degradation and loss. Weller's salamander has 16 coastal
Weller's_salamander
Population with low external genetic mixing
diversity can be detected toward the limits of a species range, where population fragmentation and isolation are more likely to affect genetic processes. Regional
Genetic_isolate
species distribution. These populations may be severed from the continuous range due to physical barriers or habitat fragmentation. Some physical barriers
Disjunctive_population
Process by which a natural habitat becomes incapable of supporting its native species
fragmentation is the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and
Habitat_destruction
Extinct species of elephant native to Japan
extinction was due to climatic change resulting in loss of habitat and population fragmentation, while others suggest humans may have been a contributing factor
Palaeoloxodon_naumanni
Species of mammal
status of the northern bottlenose whale Hyperoodon ampullatus: population fragmentation, legacy of whaling and current threats". Endangered Species Research
Northern_bottlenose_whale
Iranian Plateau. The leopard population is very sparse, due to loss of habitat, loss of natural prey, and population fragmentation. Apart from bezoar ibex
Wildlife_of_Iran
Species of grass
Critically Endangered because of its extremely restricted range and population fragmentation. It is found on cliffs of St. Helena, at 250 to 550 m (820 to 1
Eragrostis_episcopulus
Species of woodlouse
species. The subspecies O. asellus occidentalis is threatened by population fragmentation and by hybridisation with O. asellus asellus. In Britain, it is
Oniscus_asellus
Subspecies of dolphin
territorial regions of some coastal populations. An increase in human intrusion creates population fragmentation that can damage the social relationships
Black_Sea_bottlenose_dolphin
Species of lizard
endangered. Decline of the species is mainly the result of habitat fragmentation due to fire, deforestation, and land use change for agriculture. Illegal
Mexican_alligator_lizard
Prehistoric biome
its previous habitat during the early Holocene, and this led to population fragmentation followed by extinction. The mammoth steppe was covered all winter
Mammoth_steppe
Species of fish
been introduced into the Flint and Chattahoochee River systems. Population fragmentation is also a threat, particularly in heavily impounded Chattahoochee
Spotted_bullhead
Evolutionary biologist and former editor
of stressors such as climate instability and population fragmentation on evolutionary change in populations. She has developed and applied new statistical
Ruth_Geyer_Shaw
Extinct species of rhinoceros
part to climatic change causing habitat fragmentation resulting in population fragmentation, with small populations more likely to become extinct for a variety
Narrow-nosed_rhinoceros
Species of cartilaginous fish
coastline. The increased prevalence of these structures may lead to population fragmentation or the destruction of vital juvenile habitats for the species.
Longcomb_sawfish
Species of plant
Critically Endangered because of its extremely restricted range and population fragmentation. It is endemic to the island of Rarotonga in the Cook Islands.
Garnotia_cheesemanii
Study of the ecological effects of roads and highways
quality; and the wider environmental effects of transport such as habitat fragmentation, ecosystem degradation, and climate change from vehicle emissions. The
Road_ecology
Order of mammals
99–121. ISBN 978-0-306-47696-9. Pope, T.R. (1996). "Socioecology, population fragmentation, and patterns of genetic loss in endangered primates". In Avise
Primate
Field of ecology
Population ecology is a field of ecology that deals with the dynamics of species populations and how these populations interact with the environment, such
Population_ecology
Structures enabling wildlife to safely cross human-made barriers
they subdivide wildlife populations into smaller and more vulnerable sub-populations (fragmentation). Habitat fragmentation can lead to extinction or
Wildlife_crossing
Tiger population on the Indian subcontinent
threatened by poaching, habitat loss and habitat fragmentation. As of 2022, the Bengal tiger population was estimated at 3,167–3,682 individuals in India
Bengal_tiger
Endangered species of Asian rhinoceros
suitable habitat for the Rhinoceros, causing severe population fluctuations as well as population fragmentation due to the flooding of Sundaland. Human induced
Sumatran_rhinoceros
List of highly-endangered primate species
mining, land development, and cash crop production; forest fragmentation; small population sizes; live capture for the exotic pet trade; and hunting for
The World's 25 Most Endangered Primates
The_World's_25_Most_Endangered_Primates
Species of flowering plant
Recognition), DPS (Data Poor Size), DPT (Data Poor Trend), and PF (Population Fragmentation). "Craspedia uniflora var. uniflora". New Zealand Plant Conservation
Craspedia_uniflora
Ecology
of redirect targets Habitat fragmentation – Discontinuities in an organism's environment causing population fragmentation Island biogeography – Study
Patch_dynamics
Species of flowering plant
in nine locations, it is assessed as Endangered due to severe population fragmentation, and some logging pressure. In spite of its Endangered status,
Fraxinus_chiisanensis
Series of hominin fossils discovered in Indonesia
Homo erectus avoiding forested areas may have further increased population fragmentation. Laitman and Tattersall (2001) erected the name Homo erectus newyorkensis
Sambungmacan_crania
Ecological trend recorded since the late 20th century
halting habitat loss and fragmentation and limiting climate change, reducing pesticide use is required for preserving insect populations. Pesticides have been
Decline_in_insect_populations
Group of separated yet interacting ecological populations
Habitat Fragmentation on Biodiversity. Annual Review of ecology, evolution, and systematics. 34:1, p. 487. Levin S.A. (1974), "Dispersion and Population Interactions"
Metapopulation
Expansion of auto-oriented, low-density development in suburbs
of redirect targets Habitat fragmentation – Discontinuities in an organism's environment causing population fragmentation Induced demand – Phenomenon
Urban_sprawl
Species of plant
structure of the European population in Evros has been scrutinised, revealing relatively low genetic diversity and population fragmentation due to roads, firebreaks
Malus_trilobata
Species of lemur
major causes of habitat loss in this species' range. Resulting population fragmentation can reduce the viability of future generations of diademed sifakas
Diademed_sifaka
Species of lizard
Megan; Hoskin, Conrad J. (2018-11-02). "Resolving distribution and population fragmentation in two leaf-tailed gecko species of north-east Australia: key steps
Phyllurus_amnicola
Country in South Asia
elites along the coasts of southern and eastern India. The incremental fragmentation of imperial authority during the late 17th and 18th centuries facilitated
India
Species of fish
decline in habitat quality. However, there is no data on severe population fragmentation or the number of locations; thusthe International Union for Conservation
Pseudotocinclus_parahybae
Species of fish
though they are experiencing population declines in Tennessee. Though emerald darters have experienced population fragmentation, their range has not undergone
Emerald_darter
Smallest size a biological population can exist without facing extinction
Minimum viable population (MVP) is a lower bound on the population of a species, such that it can survive in the wild. This term is commonly used in the
Minimum_viable_population
Family of birds
compounding population fragmentation. Recent research suggests total avoidance of fire in the management of Western and Rufous bristlebird populations. Eastern
Bristlebird
benefit the population. This leads to a lack of a skill set for the animal to adjust and adapt to a new environment. Habitat fragmentation and loss lead
Ecosystem_decay
Cleavage of DNA into tiny pieces during apoptosis
Apoptotic DNA fragmentation is a key feature of apoptosis, a type of programmed cell death. Apoptosis is characterized by the activation of endogenous
Apoptotic_DNA_fragmentation
Species of orthopteran insect
"Biologically Sparse", "Data Poor: Size", "Data Poor Trend" and "Population Fragmentation". The decline is due to habitat loss. In earlier reports, it was
Northland_tusked_wētā
Environmental issue in Bermuda
resource or heavy industry to provide supplemental heat, and that with a population of only 65,000 the plant could not utilize economies of scale, it seems
Pollution at Morgan's Point (Bermuda)
Pollution_at_Morgan's_Point_(Bermuda)
Species of amphibian
maximum, and did serve as a refuge for many species. However, population fragmentation typically leads to genetic divergence over time, which would make
Wandering_salamander
Species of bird
in some protected areas and is thought to be locally common, "population fragmentation and inbreeding are possible problems". These toucans also play
Grey-breasted_mountain_toucan
Subspecies of zebra
total population is currently estimated to be around 1,714 mature individuals, with low genetic variation indicating population fragmentation and drift
Cape_mountain_zebra
Subnational administrative units of Brazil
centralization later helped to keep Brazil as a unified nation-state, avoiding fragmentation similar to that of the Spanish domains. The captaincies became provinces
Federative_units_of_Brazil
kingdom did not begin until the establishment of West Francia, after the fragmentation of the Carolingian Empire in the 9th century. The kings used the title
List_of_French_monarchs
Genocide of European Jews by Nazi Germany
destroy Germany. Amidst a worldwide economic depression and political fragmentation, the Nazi Party rapidly increased its support, reaching a high of 37
The_Holocaust
Species of moth endemic to New Zealand
Declining" as a result of being biologically sparse and suffering from population fragmentation. Wikimedia Commons has media related to Dasyuris micropolis. Robert
Dasyuris_micropolis
Species of bird
this has a poor dispersal capability and is highly susceptible to population fragmentation. The thick-billed grasswren was listed as a vulnerable species
Thick-billed_grasswren
Species of amphibian
extinction. However, it is subject to habitat loss and habitat and population fragmentation from clear-cutting. The fungus Batrachochytrium dendrobatidis has
Adenomera_andreae
Subspecies of bird
factors influence the population dynamics of the capercaillie throughout its range, including habitat degradation, loss, and fragmentation (Storch 2000, p. 83;
Cantabrian_capercaillie
Indication of the chance of extinction
such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmentation. Also included are species
Conservation_status
Species of plant
Myrmecophila christinae blossoms from April into June. Because of population fragmentation and reduced reproduction rates in smaller fragments, Myrmecophila
Myrmecophila_christinae
Endangered species of flowering plant
cuneata include land clearing, which leads to direct plant loss and population fragmentation, grazing pressure, competition from exotic weeds, changes to the
Banksia_cuneata
Species of orthopteran insect
with no rocks and therefore are assumed to have no wētā, causing population fragmentation. The mountain wētā do not move far during their lifetime, and are
Hemideina_maori
Ecological concept
effective population size (Ne) is the size of an idealised population that would experience the same rate of genetic drift as the real population. Idealised
Effective_population_size
Species of orchid
Poor: Recognition", "Data Poor: Trend", "Extreme Fluctuations", "Population Fragmentation" and "Range Restricted". "Pterostylis micromega". The Plant List
Pterostylis_micromega
Ongoing mass extinction of amphibian species worldwide
as well as amphibians. These causes include habitat modification and fragmentation, introduced predators or competitors, introduced species, pollution
Decline in amphibian populations
Decline_in_amphibian_populations
Iranian plateau. The leopard population is very sparse, due to loss of habitat, loss of natural prey, and population fragmentation.[citation needed] Apart
Geography_of_Iran
Species of orthopteran insect
"Biologically Sparse", "Data Poor: Size", "Data Poor: Trend", "Population Fragmentation". Sherley, Greg (1998). "Threatened Weta Recovery Plan". Department
Deinacrida_elegans
Diversity among the orangutan populations may not be maintained with continued habitat loss and population fragmentation. Evolutionary evidence from other
Orangutan–human last common ancestor
Orangutan–human_last_common_ancestor
Variety of conifer
is considered endangered due to habitat loss caused by logging, population fragmentation, and ground clearance to make room for plantations of Cryptomeria
Cephalotaxus harringtonii var. wilsoniana
Cephalotaxus_harringtonii_var._wilsoniana
Total number of individuals in a defined group or area
In population genetics and population ecology, population size (usually denoted N) is a countable quantity representing the number of individual organisms
Population_size
Cyclical change in a species' population
A population cycle in zoology is a phenomenon where populations rise and fall over a predictable period of time. There are some species where population
Population_cycle
Country in Southeast Asia and Oceania
illegal exploitation. Forest fragmentation and land-use change break habitats into smaller blocks, isolate wildlife populations, and reduce biodiversity.
Indonesia
Historical region of Central Europe
Polish state, and after its fragmentation in the 12th century it formed the Duchy of Silesia. As a result of further fragmentation, it was divided into individual
Silesia
Species of eucalyptus
to be independent of population fragmentation or size. Data collected suggest that increased fragmentation and smaller population size can reduce pollen
Eucalyptus_salmonophloia
Country primarily in Western Europe
raids severely weakened the Carolingian monarchy, accelerating the fragmentation of West Francia into a decentralised, feudal society. As central authority
France
JSTOR 2645738 Puri, Balraj (30 May 1987), "Fundamentalism in Kashmir, Fragmentation in Jammu", Economic and Political Weekly, 22 (22): 835–837, JSTOR 4377036
Islam_in_India
Fish endemic to the Florida Keys
2016.1003 → Key genetic study demonstrating low diversity and population fragmentation. Provides strong evidence for conservation urgency. Page, L. M
Key_silverside
Species of large cat
destruction, habitat fragmentation and poaching for fur and body parts are the major threats that contributed to the decrease of tiger populations in all range
Tiger
Species of shrub endemic to Western Australia
last assessed on 22 October 2018, with a decreasing population trend, severe population fragmentation, and continuing decline in mature individuals. Threats
Lambertia_echinata
East Asian ethnic group
during which it has seen cycles of expansion, contraction, unity, and fragmentation. During this lengthy imperial period of dynastic rule, the Han people
Han_Chinese
Tiger population in Southern China
prey, large-scale relocations of urban populations to rural locations leading to fragmentation of tiger populations and increased vulnerability to local
South_China_tiger
and direct proximity to direct habitat, also known as deer habitat fragmentation. White-tailed deer, the most common deer involved in deer-vehicle collisions
Deer–vehicle_collisions
Urban patriciates of the Papal States' March of Ancona (16th–18th centuries)
abolition of entails, of patronage rights, and of lay benefices led to the fragmentation of their patrimonies. The end of the ancien régime nonetheless brought
Civic nobility in the Papal States' March of Ancona
Civic_nobility_in_the_Papal_States'_March_of_Ancona
Species of bird
Basin; and the species' patchy distribution makes it susceptible to population fragmentation. However, it does appear somewhat tolerant of habitat disturbance
Grey-bellied_hawk
Species of gecko
include habitat degradation, predation by introduced species, and population fragmentation, which reduces genetic connectivity and increases extinction risk
Lucasium_microplax
Largest species of deer
Indians. Hunting and habitat loss have reduced the moose's range; this fragmentation has led to sightings of "urban moose" in some areas. The moose has been
Moose
Genus of crustaceans
critically endangered due to population fragmentation, a decline in subpopulations, and only inhabiting a single location. The population is only extant in five
Mictocaris
Predator at the top of a food chain
of the Iberian lynx. Apex predators affect prey species' population dynamics and populations of other predators, both in aquatic and terrestrial ecosystems
Apex_predator
Species of orchid
road and track maintenance, weed invasion, herbicide spraying and population fragmentation. "Corybas dentatus". World Checklist of Selected Plant Families
Corybas_dentatus
should be evaluated for wildlife because of the possibilities of forest fragmentations and extirpations. It is important to consider that temperature is not
Forest_migration
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