Common Name (Scientific name)
... algae and diatoms along rocky stream bottoms. (From Morey 2000) Habitat loss and degradation, introduction of exotic predators, and toxic chemicals (including pesticides) pose continued and increasing threats to the long-term viability amphibians throughout California (Jennings and Hayes 1994). In a ...
... algae and diatoms along rocky stream bottoms. (From Morey 2000) Habitat loss and degradation, introduction of exotic predators, and toxic chemicals (including pesticides) pose continued and increasing threats to the long-term viability amphibians throughout California (Jennings and Hayes 1994). In a ...
New Jersey`s Landscape Project - Rutgers Environmental Stewards
... flooding, allowing for the biodegradation of environThe ENSP has developed maps that identify critical mental contaminants and recharging ground water areas for imperiled species based on land-use reserves. In short, everyone benefits from the classifications and imperiled species locations. The Lan ...
... flooding, allowing for the biodegradation of environThe ENSP has developed maps that identify critical mental contaminants and recharging ground water areas for imperiled species based on land-use reserves. In short, everyone benefits from the classifications and imperiled species locations. The Lan ...
Evaluating Habitat for Northern Bobwhite Quail For the past decade
... For the past decade the quail population has been in serious decline. There is no solid consensus among researchers other than the belief that there is no one factor responsible but rather more of a “perfect storm” scenario for the population decline. No doubt the drought has been a major player, bu ...
... For the past decade the quail population has been in serious decline. There is no solid consensus among researchers other than the belief that there is no one factor responsible but rather more of a “perfect storm” scenario for the population decline. No doubt the drought has been a major player, bu ...
FWC species profile - Florida Wildlife Conservation Guide
... range from 5,000 to 12,000 pairs (Bancroft and Bowman 2001, Bancroft 1996, Meyer and Wilmers 2008, Strong et al. 1991). Perceived Threats: Habitat loss and fragmentation are cited as primary threats to this species (Strong and Bancroft 1994; Bancroft et al. 2000; Bancroft and Bowman 2001). The fact ...
... range from 5,000 to 12,000 pairs (Bancroft and Bowman 2001, Bancroft 1996, Meyer and Wilmers 2008, Strong et al. 1991). Perceived Threats: Habitat loss and fragmentation are cited as primary threats to this species (Strong and Bancroft 1994; Bancroft et al. 2000; Bancroft and Bowman 2001). The fact ...
Threatened Species Lists - Friends of the Brush-tailed Rock
... the range of the species, particularly in the Jervis Bay area of the central population. The resultant fragmentation and isolation of populations may adversely affect the species because of their small size which makes them susceptible to catastrophic events and localised extinction. Eastern Bristle ...
... the range of the species, particularly in the Jervis Bay area of the central population. The resultant fragmentation and isolation of populations may adversely affect the species because of their small size which makes them susceptible to catastrophic events and localised extinction. Eastern Bristle ...
Jepsen Breeding J Ornithology 157
... received much attention in the scientific literature, particularly with respect to climate change and its implications for vulnerable species (e.g., Chen et al. 2011; McClure et al. 2012). Physical factors (e.g., climate) are recognised as being the principal drivers of species ranges at regional an ...
... received much attention in the scientific literature, particularly with respect to climate change and its implications for vulnerable species (e.g., Chen et al. 2011; McClure et al. 2012). Physical factors (e.g., climate) are recognised as being the principal drivers of species ranges at regional an ...
Land Use, Biodiversity, and Ecosystem Integrity
... example, when a natural wetland is drained or an old growth forest is clearcut. Habitat is also lost when it is severely degraded- for example, when water flow into a wetland is partially diverted or a forest is selectively logged. Degradation of large areas of habitat also occurs when patches withi ...
... example, when a natural wetland is drained or an old growth forest is clearcut. Habitat is also lost when it is severely degraded- for example, when water flow into a wetland is partially diverted or a forest is selectively logged. Degradation of large areas of habitat also occurs when patches withi ...
POPULATION VIABILITY ANALYSIS Mark S. Boyce Journal Article
... threats a species is likely to encounter. If local subpopulations are likely to be threatened by habitat destruction or political unrest, it may be extremely important to maintain geographic variants to ensure that the species can continue to survive in other localities (see 142, 149). However, if f ...
... threats a species is likely to encounter. If local subpopulations are likely to be threatened by habitat destruction or political unrest, it may be extremely important to maintain geographic variants to ensure that the species can continue to survive in other localities (see 142, 149). However, if f ...
15 Competition 2008
... 2) Consumers compete by using a resource that reduces availability to others. 3) Competition occurs through exploitation of shared resources or direct interference. 4) Responses of plant and animal species to intraspecific competition include decrease in growth, delay in reproduction, and decrease i ...
... 2) Consumers compete by using a resource that reduces availability to others. 3) Competition occurs through exploitation of shared resources or direct interference. 4) Responses of plant and animal species to intraspecific competition include decrease in growth, delay in reproduction, and decrease i ...
NotesChapter7
... Barbault & Sastrapradja 1995, Wikipedia Contributors 2006b). It may be described as a “population of populations” with two levels of population dynamics: within local populations and between local populations (Begon et al. 1996, Primack 1998). Plants tend to occur in metapopulations (Frankel et al. ...
... Barbault & Sastrapradja 1995, Wikipedia Contributors 2006b). It may be described as a “population of populations” with two levels of population dynamics: within local populations and between local populations (Begon et al. 1996, Primack 1998). Plants tend to occur in metapopulations (Frankel et al. ...
Ch 53 population Ecology
... vegetation on the forest floor • Recovered from near-extinction to sustainable populations due to controlled burning and other management methods ...
... vegetation on the forest floor • Recovered from near-extinction to sustainable populations due to controlled burning and other management methods ...
ASSESSING RISKS TO BIODIVERSITY FROM FUTURE
... some cases. The "Buildout" alternative started with the current zoning plans for each municipality and assumed that the full development allowed in each plan would occur. This alternative represented an extreme level of human impact where most remaining undeveloped, but developable, land in Monroe C ...
... some cases. The "Buildout" alternative started with the current zoning plans for each municipality and assumed that the full development allowed in each plan would occur. This alternative represented an extreme level of human impact where most remaining undeveloped, but developable, land in Monroe C ...
File - Pedersen Science
... 12. Describe six density-dependent factors that can affect a population. 13. Explain what factors contribute to population dynamics. 14. Describe historical and current trends in the growth of the human population. 15. What kinds of information do age structure pyramids provide and what inferences c ...
... 12. Describe six density-dependent factors that can affect a population. 13. Explain what factors contribute to population dynamics. 14. Describe historical and current trends in the growth of the human population. 15. What kinds of information do age structure pyramids provide and what inferences c ...
on the Iberian lynx
... these impacts are unnecessary, because sustainable alternatives with less environmental impacts exist to solve the water management problems of Spain. ...
... these impacts are unnecessary, because sustainable alternatives with less environmental impacts exist to solve the water management problems of Spain. ...
applying species diversity theory to land management
... scales, but it is often not clear how these ideas relate to one another, or how they apply across scales. Consequently, it has been difficult to use diversity theory as a basis for understanding patterns at the intermediate (landscape) scales at which biodiversity is managed. Here, we present a fram ...
... scales, but it is often not clear how these ideas relate to one another, or how they apply across scales. Consequently, it has been difficult to use diversity theory as a basis for understanding patterns at the intermediate (landscape) scales at which biodiversity is managed. Here, we present a fram ...
Habitat selection by feral cats and dingoes in a
... feral cats (Konecny 1987; Alterio et al. 1998), no study has examined the possible reasons underlying these phenomena. Habitat use in animals has been much studied over the past 75 years (Rosenzweig 1991). From early on it was recognized that within some species, individuals actually choose which ha ...
... feral cats (Konecny 1987; Alterio et al. 1998), no study has examined the possible reasons underlying these phenomena. Habitat use in animals has been much studied over the past 75 years (Rosenzweig 1991). From early on it was recognized that within some species, individuals actually choose which ha ...
animal behavior and conservation biology
... development, and adaptive significance of variation in behavior of individuals, conservation biology is concerned with the behavior of populations, especially their response to disturbance caused by humans, and in preventing their extinction. Nonetheless, an increasing number of people studying anim ...
... development, and adaptive significance of variation in behavior of individuals, conservation biology is concerned with the behavior of populations, especially their response to disturbance caused by humans, and in preventing their extinction. Nonetheless, an increasing number of people studying anim ...
Components of breeding performance in two competing species
... that the progressive occupation of low quality territories as breeding density increases causes a decline in the mean per capita fecundity of a population while variation in fecundity increases. Several studies have supported the habitat heterogeneity hypothesis by correlating variation in the mean ...
... that the progressive occupation of low quality territories as breeding density increases causes a decline in the mean per capita fecundity of a population while variation in fecundity increases. Several studies have supported the habitat heterogeneity hypothesis by correlating variation in the mean ...
rivers and burns action plan summary
... identify a possible holt is to look for their droppings known as spraints which are black and spiky and have fish bones in them. Footprints and runs are also good indicators of an Otter’s presence. Their main diet is fish, with eels being a favourite, although they will eat amphibians (frogs are an ...
... identify a possible holt is to look for their droppings known as spraints which are black and spiky and have fish bones in them. Footprints and runs are also good indicators of an Otter’s presence. Their main diet is fish, with eels being a favourite, although they will eat amphibians (frogs are an ...
Mortality Risk vs. Food Quality Trade
... growth, indicating that, on average, colonies could at least maintain themselves if they fed in patches containing these diets. The 95% confidence intervals for growth on 1/ and '/16 strength diets did not include zero, indicating that, on average, colony maintenance was not possible. Positive growt ...
... growth, indicating that, on average, colonies could at least maintain themselves if they fed in patches containing these diets. The 95% confidence intervals for growth on 1/ and '/16 strength diets did not include zero, indicating that, on average, colony maintenance was not possible. Positive growt ...
AP Ecology HW 2012 current
... 8. Explain why the soil in tropical forests contains lower levels of nutrients than soil in temperate forests 9. Describe how agricultural practices can interfere with nitrogen cycling 10. Describe how deforestation can affect nutrient cycling within an ecosystem 11. Explain how "cultural eutrophica ...
... 8. Explain why the soil in tropical forests contains lower levels of nutrients than soil in temperate forests 9. Describe how agricultural practices can interfere with nitrogen cycling 10. Describe how deforestation can affect nutrient cycling within an ecosystem 11. Explain how "cultural eutrophica ...
Invasion, disturbance, and competition: modeling the fate of coastal
... (Williamson 1996; Williamson & Fitter 1996). Many factors influence the spread of exotic species (Lonsdale 1999), including light (Keane & Crawley 2002), fire (Hierro et al. 2006), nutrients (Lake & Leishman 2004), natural enemies (Davis et al. 2000), and management practices (Chmura & Sierka 2007). ...
... (Williamson 1996; Williamson & Fitter 1996). Many factors influence the spread of exotic species (Lonsdale 1999), including light (Keane & Crawley 2002), fire (Hierro et al. 2006), nutrients (Lake & Leishman 2004), natural enemies (Davis et al. 2000), and management practices (Chmura & Sierka 2007). ...
Ecological Applications at the Level of Organisms and Single
... appropriate for them. However, management strategies often rely on an ability to predict where species might do well, whether we wish to restore degraded habitats, predict the future distribution of invasive species (and through biosecurity measures prevent their arrival), or conserve endangered spe ...
... appropriate for them. However, management strategies often rely on an ability to predict where species might do well, whether we wish to restore degraded habitats, predict the future distribution of invasive species (and through biosecurity measures prevent their arrival), or conserve endangered spe ...
Habitat diversity and species diversity: testing the
... interference competition to acquire and defend energetically favorable positions in the water column (Chapman 1962, Hartman 1965, Fausch 1984, Nielsen 1992, Sabo and Pauley 1997). Favorable foraging positions can result in higher juvenile growth and survival rates, making juvenile growth rate a meas ...
... interference competition to acquire and defend energetically favorable positions in the water column (Chapman 1962, Hartman 1965, Fausch 1984, Nielsen 1992, Sabo and Pauley 1997). Favorable foraging positions can result in higher juvenile growth and survival rates, making juvenile growth rate a meas ...