crakes and rails - Brisbane
... This Conservation Action Statement will be updated as new information becomes available and to report progress on conservation actions. For more information about this or any other Conservation Action Statement, visit Council’s website at http://www.brisbane.qld.gov.au or phone Council on (07) 3403 ...
... This Conservation Action Statement will be updated as new information becomes available and to report progress on conservation actions. For more information about this or any other Conservation Action Statement, visit Council’s website at http://www.brisbane.qld.gov.au or phone Council on (07) 3403 ...
Chapter 53 Population Ecology
... • As population density increases, each individual has access to an increasingly smaller share of available resources. • Ultimately, there is a limit to the number of individuals that can occupy a habitat. ° Ecologists define carrying capacity (K) as the maximum stable population size that a particu ...
... • As population density increases, each individual has access to an increasingly smaller share of available resources. • Ultimately, there is a limit to the number of individuals that can occupy a habitat. ° Ecologists define carrying capacity (K) as the maximum stable population size that a particu ...
Using change trajectories to study the impacts of multi-annual
... trajectories describing changes in old forest cover through time, and studied how this change at both the territory core and landscape scales impacted fledging numbers. Our main finding was that at the territory core scale the negative impact of habitat loss on fledging numbers was lessened by the h ...
... trajectories describing changes in old forest cover through time, and studied how this change at both the territory core and landscape scales impacted fledging numbers. Our main finding was that at the territory core scale the negative impact of habitat loss on fledging numbers was lessened by the h ...
Chapter 8 – Marine Fauna - Wentworth Group of Concerned Scientists
... Econds for the two species of marine fauna in the Eyre Peninsula and SEQ Catchments regions were based on a single indicator condition score. Single indicators of marine fauna (dugong numbers and whale female-calf pairs) are an appropriate measure of condition because they are based on an actual sur ...
... Econds for the two species of marine fauna in the Eyre Peninsula and SEQ Catchments regions were based on a single indicator condition score. Single indicators of marine fauna (dugong numbers and whale female-calf pairs) are an appropriate measure of condition because they are based on an actual sur ...
Speciation
... • Habitat use = each organism thrives in certain habitats, but not in others (non-random patterns) • Habitat selection = the process by which organisms actively select habitats in which to live - availability and quality of habitat are crucial to an organism’s well-being - human development conflict ...
... • Habitat use = each organism thrives in certain habitats, but not in others (non-random patterns) • Habitat selection = the process by which organisms actively select habitats in which to live - availability and quality of habitat are crucial to an organism’s well-being - human development conflict ...
Common Name (Scientific name)
... forest has been removed from this area, although small pockets of old-growth forest occur in State parks and on private lands. Forests in southeast Main County and in the Berkeley Hills (Alameda County) may have been used for nesting in the distant past, but these areas were logged from the early 18 ...
... forest has been removed from this area, although small pockets of old-growth forest occur in State parks and on private lands. Forests in southeast Main County and in the Berkeley Hills (Alameda County) may have been used for nesting in the distant past, but these areas were logged from the early 18 ...
Resource partitioning between ungulate populations in arid
... novel integrated likelihood approach for indirect (dung) distance sampling (Oedekoven et al. 2013), to relate, for the first time, environmental correlates to ungulate density in an arid environment. By linking species decisions from the feeding patch level, through habitat types to the dynamic arid ...
... novel integrated likelihood approach for indirect (dung) distance sampling (Oedekoven et al. 2013), to relate, for the first time, environmental correlates to ungulate density in an arid environment. By linking species decisions from the feeding patch level, through habitat types to the dynamic arid ...
The tales of two geckos: does dispersal prevent extinction in recently
... Although habitat loss and fragmentation threaten species throughout the world and are a major threat to biodiversity, it is apparent that some species are at greater risk of extinction in fragmented landscapes than others. Identification of these species and the characteristics that make them sensit ...
... Although habitat loss and fragmentation threaten species throughout the world and are a major threat to biodiversity, it is apparent that some species are at greater risk of extinction in fragmented landscapes than others. Identification of these species and the characteristics that make them sensit ...
Can Nordic amphibians be saved?
... their habitat. Ponds and wetlands have widely been drained, filled in, or built over. If patches of suitable habitat become separated by longer distances, populations are no longer able to spread or interbreed. Small, isolated populations can easily dwindle or disappear as their genetic variety decl ...
... their habitat. Ponds and wetlands have widely been drained, filled in, or built over. If patches of suitable habitat become separated by longer distances, populations are no longer able to spread or interbreed. Small, isolated populations can easily dwindle or disappear as their genetic variety decl ...
Habitat and Species Survey Guidelines
... The National Vegetation Classification (NVC) The NVC is a detailed phytosociological classification, which assesses the full suite of vascular plant, bryophyte and macro-lichen species within a certain vegetation type. For more detailed information on NVC please refer to www.jncc.gov.uk/page-4259 In ...
... The National Vegetation Classification (NVC) The NVC is a detailed phytosociological classification, which assesses the full suite of vascular plant, bryophyte and macro-lichen species within a certain vegetation type. For more detailed information on NVC please refer to www.jncc.gov.uk/page-4259 In ...
Palm Springs pocket mouse - Center for Biological Diversity
... The species is the smallest of the Heteromyidae family that also includes kangaroo rats, kangaroo mice, and spiny pocket mice. The Palm Springs pocket mouse was originally described by Mearns (1898) with the type locality in Palm Springs. Life Cycle: Pocket mice of the P. longimembris group are noct ...
... The species is the smallest of the Heteromyidae family that also includes kangaroo rats, kangaroo mice, and spiny pocket mice. The Palm Springs pocket mouse was originally described by Mearns (1898) with the type locality in Palm Springs. Life Cycle: Pocket mice of the P. longimembris group are noct ...
Chapter 52 – Population Ecology
... New individuals are added to the population most rapidly at intermediate population sizes, when there is not only a breeding population of substantial size, but also lots of available space and other resources in the population. ...
... New individuals are added to the population most rapidly at intermediate population sizes, when there is not only a breeding population of substantial size, but also lots of available space and other resources in the population. ...
Competitive dominance among sessile marine organisms in a high
... ‘‘winners’’ and ‘‘losers’’ on the contact borders between different species. Crustose corallines occurred in over 80% of the observed interactions but were only winners in approximately half of them. Most frequently, bryozoans, tunicates, and sponges were superior competitors over crustose corallines ...
... ‘‘winners’’ and ‘‘losers’’ on the contact borders between different species. Crustose corallines occurred in over 80% of the observed interactions but were only winners in approximately half of them. Most frequently, bryozoans, tunicates, and sponges were superior competitors over crustose corallines ...
The community of an individual: implications for the community
... The net impact or direction of any particular interaction is context specific. There are two aspects of context; one of these is the influence of varying abiotic conditions. In other words, changes in physical environmental factors can shift the net outcome of biological interactions; for example, c ...
... The net impact or direction of any particular interaction is context specific. There are two aspects of context; one of these is the influence of varying abiotic conditions. In other words, changes in physical environmental factors can shift the net outcome of biological interactions; for example, c ...
Appendix A: Freshwater Mussels
... Stream fragmentation, and attendant gene flow restrictions, will be reduced by removing barriers such as nonfunctional dams, where feasible, by operating dams at “run of the river” flow regimes, and by rehabilitating degraded river reaches. These measures will increase dispersal and re‐colonization ...
... Stream fragmentation, and attendant gene flow restrictions, will be reduced by removing barriers such as nonfunctional dams, where feasible, by operating dams at “run of the river” flow regimes, and by rehabilitating degraded river reaches. These measures will increase dispersal and re‐colonization ...
Fauna Conservation Enclosure report
... 1) provide a vermin free, high quality bushland enclosure to facilitate scientifically based monitoring and research to be conducted on forest ecosystem and native fauna recovery following cat and fox removal. 2) establish a viable breeding colony of Quenda (Southern Brown bandicoot) in the enclosur ...
... 1) provide a vermin free, high quality bushland enclosure to facilitate scientifically based monitoring and research to be conducted on forest ecosystem and native fauna recovery following cat and fox removal. 2) establish a viable breeding colony of Quenda (Southern Brown bandicoot) in the enclosur ...
Notes from Introduction - Forest Landscape Ecology Lab
... vegetation characteristic of Europe. - England- at the same time, Tansley (1935) developed the concept of the ecosystem- "an organism complex, and phyisical factors" and recognized the hierarchy of systems. - Somewhat later Watt (1947), placed observed vegetation patterns in a dynamic spatial contex ...
... vegetation characteristic of Europe. - England- at the same time, Tansley (1935) developed the concept of the ecosystem- "an organism complex, and phyisical factors" and recognized the hierarchy of systems. - Somewhat later Watt (1947), placed observed vegetation patterns in a dynamic spatial contex ...
New England Cottontail - Environmental Defense Fund
... were prone to natural disturbances that created large forest openings, as well as sites where conditions discouraged the growth of trees. These areas included shrub swamps, coastal habitats, other areas with sandy soils, as well as forests regenerating after disturbances caused by beavers, wind stor ...
... were prone to natural disturbances that created large forest openings, as well as sites where conditions discouraged the growth of trees. These areas included shrub swamps, coastal habitats, other areas with sandy soils, as well as forests regenerating after disturbances caused by beavers, wind stor ...
Martin et al Australian Bird Chapter 2012
... have been greatly altered, while still retaining many of their pre-European characteristics. For example, in the extensively cleared wheat–sheep zone of southern Australia, remnant original ‘paddock’ trees remain, while the understorey has been converted to sown exotic pasture or crops (Saunders and ...
... have been greatly altered, while still retaining many of their pre-European characteristics. For example, in the extensively cleared wheat–sheep zone of southern Australia, remnant original ‘paddock’ trees remain, while the understorey has been converted to sown exotic pasture or crops (Saunders and ...
Document
... positive value. This phenomenon produces local instability, but not extinction. In ecology, a community persists if none of the component species that compose it go extinct, and new species are unable to invade during ecological time. In reality, no community persists over large time scales (Pimm, 1 ...
... positive value. This phenomenon produces local instability, but not extinction. In ecology, a community persists if none of the component species that compose it go extinct, and new species are unable to invade during ecological time. In reality, no community persists over large time scales (Pimm, 1 ...
Persistence and flow reliability in simple food webs
... Lotka /Volterra (LV) and Holling II-type equations (with switching effect). Thus, we had eight persistence values for each web. Persistence (a dynamical property) and flow reliability (a structural property) were analyzed. We found that (1) reliable flow pattern is associated with high persistence ...
... Lotka /Volterra (LV) and Holling II-type equations (with switching effect). Thus, we had eight persistence values for each web. Persistence (a dynamical property) and flow reliability (a structural property) were analyzed. We found that (1) reliable flow pattern is associated with high persistence ...
Semipalmated Sandpiper (Calidris pusilla)
... migrate south in the autumn over grasslands through the interior of North America, while those that breed in the east and centre Canadian Artic migrate to South America mainly down the Atlantic coast of North America (often flying above the ocean). Although different populations segregate on the win ...
... migrate south in the autumn over grasslands through the interior of North America, while those that breed in the east and centre Canadian Artic migrate to South America mainly down the Atlantic coast of North America (often flying above the ocean). Although different populations segregate on the win ...
Slide 1
... strong habitat & nest site fidelity, & have relatively small home ranges (< 2 km), so sub-populations tend to be spatially discrete. Terrapins rely on open water, wetlands, & adjacent uplands at various stages of their life-cycle, so the quality & connectivity of these habitat patches is critical to ...
... strong habitat & nest site fidelity, & have relatively small home ranges (< 2 km), so sub-populations tend to be spatially discrete. Terrapins rely on open water, wetlands, & adjacent uplands at various stages of their life-cycle, so the quality & connectivity of these habitat patches is critical to ...
Habitat-dependent foraging in a classic predatorа/prey system: a
... number of habitats that they occupy, and that their abundance is higher in some habitats than it is in others. Often, the differences in density reflect preferential occupation of habitats that yield the greatest fitness. If individuals possess perfect information about habitat quality, and are free ...
... number of habitats that they occupy, and that their abundance is higher in some habitats than it is in others. Often, the differences in density reflect preferential occupation of habitats that yield the greatest fitness. If individuals possess perfect information about habitat quality, and are free ...