2008. Scientific Review for the Identification of Critical Habitat
... caribou throughout their current distribution in Canada. Identifying Critical Habitat for local populations was framed as an exercise in decision analysis and adaptive management. Establishment of a systematic, transparent and repeatable process was a central element of the approach. The report is s ...
... caribou throughout their current distribution in Canada. Identifying Critical Habitat for local populations was framed as an exercise in decision analysis and adaptive management. Establishment of a systematic, transparent and repeatable process was a central element of the approach. The report is s ...
Recovery Strategy for the Boreal Caribou in the NWT (2017)
... concern that several projects underway in NWT will increase human-caused disturbance. There is also concern that climate change will lead to an increase in fire disturbance. The relationship between boreal caribou and their predators (mainly wolves, but also bears and other carnivores) changes as th ...
... concern that several projects underway in NWT will increase human-caused disturbance. There is also concern that climate change will lead to an increase in fire disturbance. The relationship between boreal caribou and their predators (mainly wolves, but also bears and other carnivores) changes as th ...
Chiricahua Leopard Frog Recovery Plan
... Current Status: The Chiricahua leopard frog is federally listed as threatened without critical habitat. The species’ recovery priority number is 2C, which indicates a high degree of threat, a high potential for recovery, and a taxonomic classification as a species. A special rule exempts operation a ...
... Current Status: The Chiricahua leopard frog is federally listed as threatened without critical habitat. The species’ recovery priority number is 2C, which indicates a high degree of threat, a high potential for recovery, and a taxonomic classification as a species. A special rule exempts operation a ...
Biotic vs Abiotic.notebook
... choose to do any of the following A poster A diorama A book A video ...
... choose to do any of the following A poster A diorama A book A video ...
Quantifying Terrestrial Habitat Loss and Fragmentation: A Protocol
... fragmentation. In our Primer, we explore habitat fragmentation as a landscape-level process in which a specific habitat is progressively sub-divided into smaller, geometrically altered, and more isolated fragments as a result of both natural and human activities. We describe alternative perspectives ...
... fragmentation. In our Primer, we explore habitat fragmentation as a landscape-level process in which a specific habitat is progressively sub-divided into smaller, geometrically altered, and more isolated fragments as a result of both natural and human activities. We describe alternative perspectives ...
INTRODUCTION - Wild Utah Project
... (Bailey 2006, E. Wagner et al., unpublished data). Eggs hatch after about two days without parental care, in water that is about 22o (Crawford 1979) and begin exogenous feeding after 5-6 days at 18 C (Wagner et al. 2005). Fry between hatching and initiation of exogenous feeding average 5.5-6.0 mm (W ...
... (Bailey 2006, E. Wagner et al., unpublished data). Eggs hatch after about two days without parental care, in water that is about 22o (Crawford 1979) and begin exogenous feeding after 5-6 days at 18 C (Wagner et al. 2005). Fry between hatching and initiation of exogenous feeding average 5.5-6.0 mm (W ...
Vernal Pool - Michigan Natural Features Inventory
... eventually fill in with eroded material and larger wet depressions become permanent lakes, ponds, or other wetland natural communities such as emergent marsh. Vernal pools vary greatly in size. The smallest pools may be only a few square meters in area, created through local events such as tree tip- ...
... eventually fill in with eroded material and larger wet depressions become permanent lakes, ponds, or other wetland natural communities such as emergent marsh. Vernal pools vary greatly in size. The smallest pools may be only a few square meters in area, created through local events such as tree tip- ...
SPATIAL SYNCHRONY IN POPULATION DYNAMICS∗ Andrew
... been important innovations to the analysis of spatial dynamics via the application of phase analyses. These methods have expanded our characterization of spatial dynamics beyond detection of simple synchrony to include more complex patterns of spatial dynamics such as waves. A perpetual limitation i ...
... been important innovations to the analysis of spatial dynamics via the application of phase analyses. These methods have expanded our characterization of spatial dynamics beyond detection of simple synchrony to include more complex patterns of spatial dynamics such as waves. A perpetual limitation i ...
SPATIAL SYNCHRONY IN POPULATION DYNAMICS ∗ Andrew
... been important innovations to the analysis of spatial dynamics via the application of phase analyses. These methods have expanded our characterization of spatial dynamics beyond detection of simple synchrony to include more complex patterns of spatial dynamics such as waves. A perpetual limitation i ...
... been important innovations to the analysis of spatial dynamics via the application of phase analyses. These methods have expanded our characterization of spatial dynamics beyond detection of simple synchrony to include more complex patterns of spatial dynamics such as waves. A perpetual limitation i ...
Mesotrophic Lochs WW1 - Tayside Biodiversity
... All the factors affecting the habitat detailed in the Standing Open Waters statement can apply to mesotrophic 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 n ...
... All the factors affecting the habitat detailed in the Standing Open Waters statement can apply to mesotrophic 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 n ...
distribution and ecology of the broad
... Establish a baseline and method for long term monitoring to assess the effects of climate change on the abundance and distribution of the species. ...
... Establish a baseline and method for long term monitoring to assess the effects of climate change on the abundance and distribution of the species. ...
fragmentation of terrestrial habitat
... Abstract: Habitat fragmentation occurs when wildlife habitats change in area, configuration, or spatial relationships because of natural and anthropogenic mechanisms. Habitat fragmentation is arguably the greatest conservation challenge facing today’s wildlife biologists, of which most biologists ar ...
... Abstract: Habitat fragmentation occurs when wildlife habitats change in area, configuration, or spatial relationships because of natural and anthropogenic mechanisms. Habitat fragmentation is arguably the greatest conservation challenge facing today’s wildlife biologists, of which most biologists ar ...
Effects of productivity, disturbance, and ecosystem size on food
... fi C; the net rate of these disturbance-driven extinctions should be 3e. In addition, for patches in state E, the IG-prey experiences an elevated risk of extinction, due to IGP, which adds an amount a to the transition from E to D. We assume that increasing the strength of local IGP increases the mag ...
... fi C; the net rate of these disturbance-driven extinctions should be 3e. In addition, for patches in state E, the IG-prey experiences an elevated risk of extinction, due to IGP, which adds an amount a to the transition from E to D. We assume that increasing the strength of local IGP increases the mag ...
United States Department of the Interior
... Reduced freshwater flows into estuaries may affect fish and other estuarine biota in multiple ways. Effects may include: (1) Decreased nutrient loading, resulting in decreased primary productivity; (2) decreased stratification of the salinity field, resulting in decreased primary productivity; (3) d ...
... Reduced freshwater flows into estuaries may affect fish and other estuarine biota in multiple ways. Effects may include: (1) Decreased nutrient loading, resulting in decreased primary productivity; (2) decreased stratification of the salinity field, resulting in decreased primary productivity; (3) d ...
Managing Rangelands to Benefit California Red
... young frogs (“metamorphs,” frogs in the first few months after metamorphosis) soon move to the shallow waters of their birth ponds or other water bodies where they take cover from predators, including adult frogs. Adult frogs often remain year-round at perennial ponds with deep water, but some depar ...
... young frogs (“metamorphs,” frogs in the first few months after metamorphosis) soon move to the shallow waters of their birth ponds or other water bodies where they take cover from predators, including adult frogs. Adult frogs often remain year-round at perennial ponds with deep water, but some depar ...
Habitat Stewardship Series
... The impact of human development on vernal pools is the most significant threat to these habitats and their associated wildlife. Development, road-building and re-grading of land can fill and destroy vernal pools, causing immediate loss of habitat and (for some species) permanent loss of populations. M ...
... The impact of human development on vernal pools is the most significant threat to these habitats and their associated wildlife. Development, road-building and re-grading of land can fill and destroy vernal pools, causing immediate loss of habitat and (for some species) permanent loss of populations. M ...
Habitat Cascades: The Conceptual Context and
... have investigated how certain organisms benefit multiple focal organisms (focal ¼ point of interest, dependent variable) via amelioration of environmental stress and by providing living space and resources such as foraging, mating and nesting grounds, and a refuge from predation. These studies typic ...
... have investigated how certain organisms benefit multiple focal organisms (focal ¼ point of interest, dependent variable) via amelioration of environmental stress and by providing living space and resources such as foraging, mating and nesting grounds, and a refuge from predation. These studies typic ...
Draft Comprehensive Conservation Plan and Environmental Impact
... and environmental impact statement identifies the purpose and need for a management plan, outlines the legal foundation for management of two refuges in Montana, Charles M. Russell National Wildlife Refuge and UL Bend National Wildlife Refuge, and describes and evaluates four alternative plans for m ...
... and environmental impact statement identifies the purpose and need for a management plan, outlines the legal foundation for management of two refuges in Montana, Charles M. Russell National Wildlife Refuge and UL Bend National Wildlife Refuge, and describes and evaluates four alternative plans for m ...
Thesis in pdf
... disturbance.” The definition of a ‘patch’ here is the primary substratum, i.e. space, that is affected by the disturbance. Similarly, Reynolds et al. (1993) defines disturbances as ”primarily non-biotic, stochastic events that results in distinct and abrupt changes in the composition and which inter ...
... disturbance.” The definition of a ‘patch’ here is the primary substratum, i.e. space, that is affected by the disturbance. Similarly, Reynolds et al. (1993) defines disturbances as ”primarily non-biotic, stochastic events that results in distinct and abrupt changes in the composition and which inter ...
Johnson habitat quality
... or we can measure variables for animals and populations in different habitats to reveal variation in habitat quality. In measuring habitats directly, we should, of course, be concerned with critical resources, such as food and nest sites, but habitat is far more than the vegetation and resources sur ...
... or we can measure variables for animals and populations in different habitats to reveal variation in habitat quality. In measuring habitats directly, we should, of course, be concerned with critical resources, such as food and nest sites, but habitat is far more than the vegetation and resources sur ...
Draft Reintroduction Plan for Bison at RMA-NWR
... The U.S. Fish and Wildlife Service at Rocky Mountain Arsenal National Wildlife Refuge (RMA) proposes to reintroduce bison into portions of the refuge. RMA would be used to manage a metapopulation of genetically “pure” bison (i.e., those with no cattle genes) as part of a larger, multi-refuge effort ...
... The U.S. Fish and Wildlife Service at Rocky Mountain Arsenal National Wildlife Refuge (RMA) proposes to reintroduce bison into portions of the refuge. RMA would be used to manage a metapopulation of genetically “pure” bison (i.e., those with no cattle genes) as part of a larger, multi-refuge effort ...
Benthic Invertebrate Fauna, Small Streams
... 1. Chadwick MA and Huryn AD (2005) Response of stream macroinvertebrate production to atmospheric nitrogen deposition and channel drying. Limnology and Oceanography 50: 228–236. 2. Gaines WL, Cushing CE, and Smith SD (1992) Secondary production estimates of benthic insects in three cold desert strea ...
... 1. Chadwick MA and Huryn AD (2005) Response of stream macroinvertebrate production to atmospheric nitrogen deposition and channel drying. Limnology and Oceanography 50: 228–236. 2. Gaines WL, Cushing CE, and Smith SD (1992) Secondary production estimates of benthic insects in three cold desert strea ...
ECOLOGICAL RESILIENCE—IN THEORY AND APPLICATION
... ECOLOGICAL RESILIENCE—IN THEORY AND APPLICATION ...
... ECOLOGICAL RESILIENCE—IN THEORY AND APPLICATION ...
Section 4 Vernal Pool Slides
... All of these changes in vernal pools that are caused by climate change affect the life in these habitats very much. Animals such as the salamander start to migrate back to vernal pools in the spring, because rainfall and certain temperatures. If animals didn’t know when to migrate to Vernal Pools be ...
... All of these changes in vernal pools that are caused by climate change affect the life in these habitats very much. Animals such as the salamander start to migrate back to vernal pools in the spring, because rainfall and certain temperatures. If animals didn’t know when to migrate to Vernal Pools be ...