Ecological flexibility in a disturbed landscape
... species ecological flexibility and the unique attributes of each fragment habitat. In this dissertation, I explore the behavioural and health ecology of an ecologically flexible primate, the ringtailed lemur (Lemur catta), occupying forest fragments in south-central Madagascar that differ in isolati ...
... species ecological flexibility and the unique attributes of each fragment habitat. In this dissertation, I explore the behavioural and health ecology of an ecologically flexible primate, the ringtailed lemur (Lemur catta), occupying forest fragments in south-central Madagascar that differ in isolati ...
Action Plan - Environment and Natural Resources
... and designates which wild species are in some danger of disappearing from Canada. Traditional knowledge is included, wherever possible, in making species assessments. Cumulative effects – Changes to the environment caused by an action, in combination with other past, present and future actions. For ...
... and designates which wild species are in some danger of disappearing from Canada. Traditional knowledge is included, wherever possible, in making species assessments. Cumulative effects – Changes to the environment caused by an action, in combination with other past, present and future actions. For ...
Demography and ecology of a declining endemic: The Olympic
... provided funding and support. I owe much to my committee and other academic colleagues. Scott Mills and Mark Taper allowed me to pursue my dream of studying marmots – they took me on as a joint student, connected me with the park, and helped me obtain funding. They and the rest of my committee – Fre ...
... provided funding and support. I owe much to my committee and other academic colleagues. Scott Mills and Mark Taper allowed me to pursue my dream of studying marmots – they took me on as a joint student, connected me with the park, and helped me obtain funding. They and the rest of my committee – Fre ...
Review of Seabird Demographic Rates and Density Dependence
... Density-dependent regulation of demographic rates has been documented in a number of different seabird species. However, the majority of the population models used to assess the potential impacts of wind farms do not consider it. Models that incorporate such effects are more complex, and there is al ...
... Density-dependent regulation of demographic rates has been documented in a number of different seabird species. However, the majority of the population models used to assess the potential impacts of wind farms do not consider it. Models that incorporate such effects are more complex, and there is al ...
habitat use and selection by moose and elk in the besa
... 2002). MCPs, which link use points on the outside edges of a convex polygon encompassing all points, tend to overestimate range sizes for animals that have infrequent movements away from a centralized area. Kernels, calculated from the 95% probability density of all locations, delineate core areas o ...
... 2002). MCPs, which link use points on the outside edges of a convex polygon encompassing all points, tend to overestimate range sizes for animals that have infrequent movements away from a centralized area. Kernels, calculated from the 95% probability density of all locations, delineate core areas o ...
Grizzly Bear Conservation in the Yellowstone to Yukon
... person. This document is the product of years of research and conversation. Information, data and suggestions came from many individuals, both scientists and advocates. Marcy Mahr, in her role as Science Coordinator for Y2Y, masterly shepherded this project through all of its phases by providing sup ...
... person. This document is the product of years of research and conversation. Information, data and suggestions came from many individuals, both scientists and advocates. Marcy Mahr, in her role as Science Coordinator for Y2Y, masterly shepherded this project through all of its phases by providing sup ...
003
... This year the Department of Defense (DOD), Legacy Program provided funding to Island Conservation to develop an implementation plan for predator proof fencing on Hawai‘i DOD lands. In order to accomplish this, each branch of DOD submitted descriptions of candidate sites where predator proof fencing ...
... This year the Department of Defense (DOD), Legacy Program provided funding to Island Conservation to develop an implementation plan for predator proof fencing on Hawai‘i DOD lands. In order to accomplish this, each branch of DOD submitted descriptions of candidate sites where predator proof fencing ...
Population dynamic theory of size
... stabilizing effect. For the case where competition is weak, the model of Cushing (1991) predicts that cannibalism induces population cycles with a period equal to the juvenile delay, corroborating the results discussed in § 2b. Kohlmeier & Ebenhöh (1995) study an unstructured predator–prey model in ...
... stabilizing effect. For the case where competition is weak, the model of Cushing (1991) predicts that cannibalism induces population cycles with a period equal to the juvenile delay, corroborating the results discussed in § 2b. Kohlmeier & Ebenhöh (1995) study an unstructured predator–prey model in ...
06
... the south. It is considered to be extant with some recent sightings by Dr. Michael Hadfield (USFWS 1992). A healthy population of approximately 66 A. byronii was discovered while on a field trip to the Schofield Waikane Trail area in May 1997. Eight of these individuals were brought back to the Univ ...
... the south. It is considered to be extant with some recent sightings by Dr. Michael Hadfield (USFWS 1992). A healthy population of approximately 66 A. byronii was discovered while on a field trip to the Schofield Waikane Trail area in May 1997. Eight of these individuals were brought back to the Univ ...
Riverine Fish Flow Investigations
... Projected biomass (kg/ha) of bluehead sucker based on habitat availability over a range of simulated flows. ...............................................................53 ...
... Projected biomass (kg/ha) of bluehead sucker based on habitat availability over a range of simulated flows. ...............................................................53 ...
Landscape Patterns Environmental Quality Analysis
... documented in the disciplines of landscape planning, environmental planning, and landscape architecture. Landscape pattern analysis is based on the premise that there are indispensible patterns in any landscape that, if maintained, will conserve essential landscape processes. These landscape process ...
... documented in the disciplines of landscape planning, environmental planning, and landscape architecture. Landscape pattern analysis is based on the premise that there are indispensible patterns in any landscape that, if maintained, will conserve essential landscape processes. These landscape process ...
RELATIONSHIPS AMONG MULE DEER AND THEIR PREDATORS
... reduce susceptibility to predation. Likewise, winter habitats with deep snow can limit mobility and increase vulnerability to predation. When alternate prey species occupy the same habitats as mule deer, predator populations have more prey from which to select. In those instances when mule deer numb ...
... reduce susceptibility to predation. Likewise, winter habitats with deep snow can limit mobility and increase vulnerability to predation. When alternate prey species occupy the same habitats as mule deer, predator populations have more prey from which to select. In those instances when mule deer numb ...
SUMMARY
... Mangrove ecosystems thrive in (sub)tropical, intertidal areas where adaptations like vivipary and the hydrochorous dispersal of propagules become an absolute necessity. As propagule dispersal and early growth allow for the replenishment of existing stands and colonization of new habitats, many autho ...
... Mangrove ecosystems thrive in (sub)tropical, intertidal areas where adaptations like vivipary and the hydrochorous dispersal of propagules become an absolute necessity. As propagule dispersal and early growth allow for the replenishment of existing stands and colonization of new habitats, many autho ...
A Framework For Monitoring The Effectiveness Of Habitat
... including habitat loss from forest harvesting, displacement by motorized recreation, increasing predation due to changes in the predator-prey system, and other threats and stressors that effect their populations and habitats (e.g., historic hunting, road-kill and possibly climate change). In respons ...
... including habitat loss from forest harvesting, displacement by motorized recreation, increasing predation due to changes in the predator-prey system, and other threats and stressors that effect their populations and habitats (e.g., historic hunting, road-kill and possibly climate change). In respons ...
Mesotrophic Lochs WW1 - Tayside Biodiversity
... lochs, but the single factor which is probably the greatest and most active threat is cultural eutrophication. This may be due to direct nutrient inputs from sewage or because of increased nutrient run-off from land due to agriculture, forestry and amenity use. Catchment land use may be a significan ...
... lochs, but the single factor which is probably the greatest and most active threat is cultural eutrophication. This may be due to direct nutrient inputs from sewage or because of increased nutrient run-off from land due to agriculture, forestry and amenity use. Catchment land use may be a significan ...
Landscape effects on insect pests of Dracaena marginata
... seemed to prefer to concentrate their oviposition on Dracaena plants, which are a suitable host to produce offspring, increasing egg density on grassy treatments. Predatory insects also played an important role regulating leafhopper populations. Vegetation composition and structure strongly influenc ...
... seemed to prefer to concentrate their oviposition on Dracaena plants, which are a suitable host to produce offspring, increasing egg density on grassy treatments. Predatory insects also played an important role regulating leafhopper populations. Vegetation composition and structure strongly influenc ...
VI) Population and Community Stability
... B) Apply a force – does it change? see graphic definition of resistance C) Apply a disturbance (i.e. change the community) Determine if community returns to pre-perturbation or control state. see graphic definition of resilience ...
... B) Apply a force – does it change? see graphic definition of resistance C) Apply a disturbance (i.e. change the community) Determine if community returns to pre-perturbation or control state. see graphic definition of resilience ...
Trait-dependent modification of facilitation on cobble
... Multiple species of forb were present but only one, Suaeda linearis (family Chenopodiaceae, commonly known as sea-blite), consistently occurred in great enough abundance for meaningful experimentation and analysis. Given the reliance of the entire forb community on the presence of cordgrass (Bruno 2 ...
... Multiple species of forb were present but only one, Suaeda linearis (family Chenopodiaceae, commonly known as sea-blite), consistently occurred in great enough abundance for meaningful experimentation and analysis. Given the reliance of the entire forb community on the presence of cordgrass (Bruno 2 ...
temporal and spatial aspects of predator
... fauna for Northern Hemisphere ungulates. By virtue of their widespread geographic distribution, group-hunting nature, and yearround activity, we argue that the gray wolf (Canis lupus) is the most significant predator of ungulates in the Northern Hemisphere. Where additional large predators coexist w ...
... fauna for Northern Hemisphere ungulates. By virtue of their widespread geographic distribution, group-hunting nature, and yearround activity, we argue that the gray wolf (Canis lupus) is the most significant predator of ungulates in the Northern Hemisphere. Where additional large predators coexist w ...
Black-tailed Deer - Puget Sound Energy
... landscape heterogeneity, including the variety of habitat patches, habitat patch shape and spatial arrangement and the contrast between adjacent patches, may also be important for determining home range size (Kie and Czech 2000). A study on the distribution and home range patterns of sitka black-tai ...
... landscape heterogeneity, including the variety of habitat patches, habitat patch shape and spatial arrangement and the contrast between adjacent patches, may also be important for determining home range size (Kie and Czech 2000). A study on the distribution and home range patterns of sitka black-tai ...
Western ringtail possum recovery plan514.9 KB
... Department of the Environment’s Recovery Planning Compliance Checklist for Legislative and Process Requirements (DEWHA 2008). Recovery plans outline the recovery actions that are needed to urgently address those threatening processes most affecting the ongoing survival of threatened taxa or ecologic ...
... Department of the Environment’s Recovery Planning Compliance Checklist for Legislative and Process Requirements (DEWHA 2008). Recovery plans outline the recovery actions that are needed to urgently address those threatening processes most affecting the ongoing survival of threatened taxa or ecologic ...
Demography and feeding behavior of the kelp crab Taliepus
... than in the L. trabeculata forest, where reproductive adults predominated. The smaller crabs in the M. pyrifera habitat also consumed a higher proportion of kelp tissues than the larger crabs in the L. trabeculata habitat, which had a higher proportion of animal food in their diet. In both kelp fore ...
... than in the L. trabeculata forest, where reproductive adults predominated. The smaller crabs in the M. pyrifera habitat also consumed a higher proportion of kelp tissues than the larger crabs in the L. trabeculata habitat, which had a higher proportion of animal food in their diet. In both kelp fore ...
Submerged Aquatic Vegetation
... Eelgrass beds not only supply food, but also provide shelter to a number of organisms. Studies have shown that eelgrass beds have a consistently greater diversity and abundance of marine organisms than adjacent unvegetated areas (Kenworthy et al., 1988; Heck et al., 1989). The dense underwater canop ...
... Eelgrass beds not only supply food, but also provide shelter to a number of organisms. Studies have shown that eelgrass beds have a consistently greater diversity and abundance of marine organisms than adjacent unvegetated areas (Kenworthy et al., 1988; Heck et al., 1989). The dense underwater canop ...
Spotted Owl – Caurina subspecies
... This owl requires old-growth forests for its survival and has suffered a catastrophic population decline over the past 50 years as habitat is lost and fragmented. With the severely depressed population, an additional threat is the recent arrival of the closely related Barred Owl as a breeding bird i ...
... This owl requires old-growth forests for its survival and has suffered a catastrophic population decline over the past 50 years as habitat is lost and fragmented. With the severely depressed population, an additional threat is the recent arrival of the closely related Barred Owl as a breeding bird i ...