A mechanistic approach to understanding range shifts in a changing
... the individuals that successfully persist in the newly colonized territory? The dispersal literature describes a three step process: dispersal from the old habitat (emigration), transition, and settlement in the new habitat (immigration) (Clobert et al., 2009; Bowler and Benton, 2005). Each step of ...
... the individuals that successfully persist in the newly colonized territory? The dispersal literature describes a three step process: dispersal from the old habitat (emigration), transition, and settlement in the new habitat (immigration) (Clobert et al., 2009; Bowler and Benton, 2005). Each step of ...
Peace Basin Species of Interest Action Plan
... actions to improve our understanding of limiting factors, and to support other planning and management initiatives aimed at improving conditions and/or increasing populations of species-atrisk, ungulates, furbearers, or other culturally important species, within the constraints of regional ecosystem ...
... actions to improve our understanding of limiting factors, and to support other planning and management initiatives aimed at improving conditions and/or increasing populations of species-atrisk, ungulates, furbearers, or other culturally important species, within the constraints of regional ecosystem ...
Lizard community structure across a grassland
... few to no other shrubs and an abundance of bare soil. Larger creosote bush shrubs often had small patches of grass at their bases as well as packrat (Neotoma spp.) nests. Grassland sites were dominated by large grass clumps interspersed with smaller areas of bare soil, scattered small shrubs, and yu ...
... few to no other shrubs and an abundance of bare soil. Larger creosote bush shrubs often had small patches of grass at their bases as well as packrat (Neotoma spp.) nests. Grassland sites were dominated by large grass clumps interspersed with smaller areas of bare soil, scattered small shrubs, and yu ...
Honors Biology notes
... mountain is like moving north from the equator) II. Population dynamics – chap 36 A. definition of population B. measuring populations and their distribution (Fig 36.2) C. population growth depends on birth and death rates 1. exponential growth produces a “J-shaped” curve (fig. 36.4A) 2. growth is e ...
... mountain is like moving north from the equator) II. Population dynamics – chap 36 A. definition of population B. measuring populations and their distribution (Fig 36.2) C. population growth depends on birth and death rates 1. exponential growth produces a “J-shaped” curve (fig. 36.4A) 2. growth is e ...
Linking Scales in Stream Ecology
... Multiscale approaches to population biology in streams Local population dynamics are driven by births, deaths, immigration, and emigration. The potential importance of movement to local population dynamics, particularly in open systems such as streams, requires the explicit consideration of spatial ...
... Multiscale approaches to population biology in streams Local population dynamics are driven by births, deaths, immigration, and emigration. The potential importance of movement to local population dynamics, particularly in open systems such as streams, requires the explicit consideration of spatial ...
New Holland Mouse (Pseudomys novaehollandiae)
... in a demonstrable state of decline which is likely to result in extinction; and ...
... in a demonstrable state of decline which is likely to result in extinction; and ...
here - cloudfront.net
... ANEDO submits that the legal definition of ‘significant impact’ contemplates impacts other than those that may affect the survival of the species. For example, habitat fragmentation may undermine the size and resilience of a population without definitively affecting its long-term survival. According ...
... ANEDO submits that the legal definition of ‘significant impact’ contemplates impacts other than those that may affect the survival of the species. For example, habitat fragmentation may undermine the size and resilience of a population without definitively affecting its long-term survival. According ...
Quantifying predator dependence in the functional
... How predator feeding rates respond to changes in prey abundance underlies the dynamics of all predator-prey interactions (Murdoch & Oaten, 1975). A longstanding and still vigorous debate in the predator-prey literature concerns whether these functional responses are best described by prey-dependent ...
... How predator feeding rates respond to changes in prey abundance underlies the dynamics of all predator-prey interactions (Murdoch & Oaten, 1975). A longstanding and still vigorous debate in the predator-prey literature concerns whether these functional responses are best described by prey-dependent ...
Niche construction, co-evolution and biodiversity
... enough to serve as lizard refuges and produces exposed horizontal perches which are otherwise rare in the local tree species. Pringle transplanted lizards to artificially created perch + refuge trees, perch-only trees, refuge-only trees and control trees. He found that transplanted lizards remained ...
... enough to serve as lizard refuges and produces exposed horizontal perches which are otherwise rare in the local tree species. Pringle transplanted lizards to artificially created perch + refuge trees, perch-only trees, refuge-only trees and control trees. He found that transplanted lizards remained ...
Habitat
... Notes: Razor Clams have been known to live 18 years, though their average life-span is five years. Razor Clams have been found up to one-half mile offshore. Domoic acid collects in the tissue of Razor Clams. This naturally occurring by-product of phytoplanktons is poisonous to humans. It appears tha ...
... Notes: Razor Clams have been known to live 18 years, though their average life-span is five years. Razor Clams have been found up to one-half mile offshore. Domoic acid collects in the tissue of Razor Clams. This naturally occurring by-product of phytoplanktons is poisonous to humans. It appears tha ...
r/K Strategists concept
... instance, their colonizing ability can be seen from the explosion of the pest population in early season (after germination of the host plant) or after the application of insecticides, where the big number of new resistant population will be present for replacing the susceptible population (Metcalf ...
... instance, their colonizing ability can be seen from the explosion of the pest population in early season (after germination of the host plant) or after the application of insecticides, where the big number of new resistant population will be present for replacing the susceptible population (Metcalf ...
Document
... • Opposite of mortality is survival • Longevity focuses on the age of death of individuals in a population – Potential longevity – maximum lifespan by an individual of a particular species Set by the organisms physiology (dies of old age) Sometimes described as the average longevity of individua ...
... • Opposite of mortality is survival • Longevity focuses on the age of death of individuals in a population – Potential longevity – maximum lifespan by an individual of a particular species Set by the organisms physiology (dies of old age) Sometimes described as the average longevity of individua ...
1495/Chapter 14 - Toronto District Christian High School
... competing species, the individuals that are most different from their competitors will be best able to avoid competitive interactions and will therefore obtain the most resources. For example, if two species of birds compete for seeds of roughly equal sizes, those individuals of both species that ca ...
... competing species, the individuals that are most different from their competitors will be best able to avoid competitive interactions and will therefore obtain the most resources. For example, if two species of birds compete for seeds of roughly equal sizes, those individuals of both species that ca ...
Effects of habitat loss, habitat fragmentation, and isolation on the
... (Roslin, 2000; Fahrig, 2001). On the other hand, species richness might be higher in landscapes with more distant fragments, if each fragment experiences independent colonisation events by different species compared with a group of fragments that are closer. Greater isolation of fragments may also m ...
... (Roslin, 2000; Fahrig, 2001). On the other hand, species richness might be higher in landscapes with more distant fragments, if each fragment experiences independent colonisation events by different species compared with a group of fragments that are closer. Greater isolation of fragments may also m ...
Chapter 268 - Captive Breeding and Reintroduction
... population size (the number of individuals that the population needs to grow to achieve its genetic goals). Planning to retain a higher proportion of genetic variation usually increases the target population size. Increasing the number of founders reduces the size of the target population needed to ...
... population size (the number of individuals that the population needs to grow to achieve its genetic goals). Planning to retain a higher proportion of genetic variation usually increases the target population size. Increasing the number of founders reduces the size of the target population needed to ...
Population
... • Population ecology = investigates the quantitative dynamics of how individuals within a species interact • Community ecology = focuses on interactions among species • Ecosystem ecology = studies living and nonliving components of systems to reveal patterns ...
... • Population ecology = investigates the quantitative dynamics of how individuals within a species interact • Community ecology = focuses on interactions among species • Ecosystem ecology = studies living and nonliving components of systems to reveal patterns ...
Early Successional Habitat - America`s Longleaf Restoration Initiative
... a negative approach to forest management, clearcutting in moderation, in fact, allows for the creation of new habitat that can support a wide variety of wildlife and vegetation. By simulating a natural disturbance and creating early successional habitat, species reduced in abundance immediately foll ...
... a negative approach to forest management, clearcutting in moderation, in fact, allows for the creation of new habitat that can support a wide variety of wildlife and vegetation. By simulating a natural disturbance and creating early successional habitat, species reduced in abundance immediately foll ...
Effects of species diversity on the primary productivity of ecosystems
... ecosystems. However, because experiments have been performed at rather small spatial and short temporal scales, it is unclear whether conclusions can be readily extrapolated to the broader scales at which natural communities are most likely to influence ecosystem functioning. Here we develop a simpl ...
... ecosystems. However, because experiments have been performed at rather small spatial and short temporal scales, it is unclear whether conclusions can be readily extrapolated to the broader scales at which natural communities are most likely to influence ecosystem functioning. Here we develop a simpl ...
Lethal effects of habitat degradation on fishes through changing
... the dynamics that regulate these communities are closely tied to the characteristics of their habitat [13]. Dramatic shifts in fish community composition are associated with coral disturbance [9,32,33]. The ultimate cause of these changes is often ascribed to a loss of topography or shelter [34], bu ...
... the dynamics that regulate these communities are closely tied to the characteristics of their habitat [13]. Dramatic shifts in fish community composition are associated with coral disturbance [9,32,33]. The ultimate cause of these changes is often ascribed to a loss of topography or shelter [34], bu ...
changing competitive advantage Lethal effects of habitat
... Coral reefs are one of the most biologically diverse ecosystems on Earth, but are also one of the most susceptible to climate-induced changes and anthropogenic habitat modification. Coral cover has generally declined globally over the past few decades [16]. Predictions of warming oceans, modified oc ...
... Coral reefs are one of the most biologically diverse ecosystems on Earth, but are also one of the most susceptible to climate-induced changes and anthropogenic habitat modification. Coral cover has generally declined globally over the past few decades [16]. Predictions of warming oceans, modified oc ...
A patch-dynamic framework for food web metacommunities
... equations tracking the changing patch occupancy of the various species will not work except in exceptional cases where each consumer species is either a specialist (i.e., has a single potential prey) or where the interactions between generalist consumers, and each of their resources are indistinguis ...
... equations tracking the changing patch occupancy of the various species will not work except in exceptional cases where each consumer species is either a specialist (i.e., has a single potential prey) or where the interactions between generalist consumers, and each of their resources are indistinguis ...
Comments - Society for Conservation Biology
... Montana state law requires that wolves that depredate livestock must be radio-collared, but there is no guarantee that this activity will be funded after delisting. Compensation and enforcement costs should also be considered as part of the management costs. This was not adequately discussed in the ...
... Montana state law requires that wolves that depredate livestock must be radio-collared, but there is no guarantee that this activity will be funded after delisting. Compensation and enforcement costs should also be considered as part of the management costs. This was not adequately discussed in the ...
Habitat selection by nocturnal passerine migrants en route
... information and the benefits to be gained. Both costs and benefits are most likely condition-related. At least two different scenarios may occur. Emaciated individuals might be less choosy and ready to accept any stopover area that offers a positive fuel deposition rate, because they have no safety marg ...
... information and the benefits to be gained. Both costs and benefits are most likely condition-related. At least two different scenarios may occur. Emaciated individuals might be less choosy and ready to accept any stopover area that offers a positive fuel deposition rate, because they have no safety marg ...
Individuals, populations and the balance of nature: the question of
... opens the way for pluralism in ecological interpretation, a feature that has been welcomed in many quarters (e.g., Schoener 1986; Aarssen 1997; Paine 2002). However, pluralism can bring attendant dangers in that the adjusted theory seems, in practice, to promote as acceptable virtually any claim abo ...
... opens the way for pluralism in ecological interpretation, a feature that has been welcomed in many quarters (e.g., Schoener 1986; Aarssen 1997; Paine 2002). However, pluralism can bring attendant dangers in that the adjusted theory seems, in practice, to promote as acceptable virtually any claim abo ...