Conservation issues for Darwin`s finches in the Galápagos
... Relaxed selection for mate choice: the mechanism for hybridisation .................... 148! Outcompeting parasites: the function of hybridisation ........................................... 149! Conclusion ............................................................................................. ...
... Relaxed selection for mate choice: the mechanism for hybridisation .................... 148! Outcompeting parasites: the function of hybridisation ........................................... 149! Conclusion ............................................................................................. ...
Conservation of species interaction networks
... to fluctuations in prey species abundances, and generalist predators that can maintain their populations on alternative prey may be more effective biological control agents (Landis et al., 2000). However, when comparing networks of different sizes, the probability of secondary extinction (Solé and Mo ...
... to fluctuations in prey species abundances, and generalist predators that can maintain their populations on alternative prey may be more effective biological control agents (Landis et al., 2000). However, when comparing networks of different sizes, the probability of secondary extinction (Solé and Mo ...
Program - Australasian Vertebrate Pest Conference
... Sharyn Williams Managing pests with exclusion fences: 11:15 Feral tales that make engagement happen: progress and potential biodiversity benefits how stories can shape our views, our Lee Allen actions, our learning Jessica Marsh The application of genetics to improving peri- 11:30 Evaluation of the ...
... Sharyn Williams Managing pests with exclusion fences: 11:15 Feral tales that make engagement happen: progress and potential biodiversity benefits how stories can shape our views, our Lee Allen actions, our learning Jessica Marsh The application of genetics to improving peri- 11:30 Evaluation of the ...
Final Report - The Rufford Foundation
... potential use of aversion in the conservation of endangered species, like ground nesting species, where absolute aversive masking is welcome. We truly generated aversion to wild Grey foxes in natural conditions. This encouraged personnel from the protected are for our former but other potential uses ...
... potential use of aversion in the conservation of endangered species, like ground nesting species, where absolute aversive masking is welcome. We truly generated aversion to wild Grey foxes in natural conditions. This encouraged personnel from the protected are for our former but other potential uses ...
Species distribution models reveal apparent competitive and
... influenced by biotic interactions. Accounting for competitors or facilitators may improve both the fit and the predictive power of species distribution models (SDMs). We investigated the influence of a dominant species, Empetrum nigrum ssp. hermaphroditum, on the distribution of 34 subordinate speci ...
... influenced by biotic interactions. Accounting for competitors or facilitators may improve both the fit and the predictive power of species distribution models (SDMs). We investigated the influence of a dominant species, Empetrum nigrum ssp. hermaphroditum, on the distribution of 34 subordinate speci ...
BMV1 – English – Pretest
... being destruction of habitat, followed in no particular order by cars, foxes, rabbits, rats, hoofed animals, changes to water ways, introduced birds, pollution and others. Habitat destruction due to urbanisation, industrialisation and the keeping of horses is often final with the species becoming lo ...
... being destruction of habitat, followed in no particular order by cars, foxes, rabbits, rats, hoofed animals, changes to water ways, introduced birds, pollution and others. Habitat destruction due to urbanisation, industrialisation and the keeping of horses is often final with the species becoming lo ...
Journal of Tropical Ecology The Sepik River (Papua New Guinea) is
... Figure 1. Map of Papua New Guinea showing the study area with five surveyed sites, two on the northern and three on the southern side of the Sepik River. ...
... Figure 1. Map of Papua New Guinea showing the study area with five surveyed sites, two on the northern and three on the southern side of the Sepik River. ...
Synthesis of Ecosystem Resources and Threats
... The purposes of this paper are to describe the natural resources of Catalina with specific reference to oaks and to discuss the factors that threaten those resources and the natural processes on the island. The accomplishments of the recent oak ecosystem-related research and restoration activities w ...
... The purposes of this paper are to describe the natural resources of Catalina with specific reference to oaks and to discuss the factors that threaten those resources and the natural processes on the island. The accomplishments of the recent oak ecosystem-related research and restoration activities w ...
Phloem-feeding specialists sharing a host tree: resource partitioning
... pairs o f species at three hierarchial levels: shoots within trees, leaves within shoots, and leaflets within leaves, and calculated niche breadth ( B ) for each species when alone and when co-habiting with another. Competition will be indicated i f B o f at least one species is smaller when co-habi ...
... pairs o f species at three hierarchial levels: shoots within trees, leaves within shoots, and leaflets within leaves, and calculated niche breadth ( B ) for each species when alone and when co-habiting with another. Competition will be indicated i f B o f at least one species is smaller when co-habi ...
Time-of-day bias in diurnal raptor abundance and richness
... (Sanz-Zuasti & Velasco 2005). During the breeding period some species of eagles and vultures use the study area as, respectively, hunting and foraging territories rather than as a breeding area since there is a greater availability of potential nest-sites (e.g. tall trees in the case of eagles or cl ...
... (Sanz-Zuasti & Velasco 2005). During the breeding period some species of eagles and vultures use the study area as, respectively, hunting and foraging territories rather than as a breeding area since there is a greater availability of potential nest-sites (e.g. tall trees in the case of eagles or cl ...
Research advances in theories and methods of community
... influences greatly affect the outcome of interspecific interactions (Chase and Leibold, 2003). Competitive exclusion principle, proposed by Gauss, has become one of the core paradigms in community ecology. It points out that two species with the similar ecological niche requirements will be ...
... influences greatly affect the outcome of interspecific interactions (Chase and Leibold, 2003). Competitive exclusion principle, proposed by Gauss, has become one of the core paradigms in community ecology. It points out that two species with the similar ecological niche requirements will be ...
The importance of niches for the maintenance of species diversity
... Salvia in less than 20 yr (Fig. 2b). This prediction emerged from simulations beginning with an equal abundance of all competitors. Each year, we randomly assigned 2007 or 2008 demographic rates, calculated the population growth rates (using equation (2) in Methods), and then updated species’ relati ...
... Salvia in less than 20 yr (Fig. 2b). This prediction emerged from simulations beginning with an equal abundance of all competitors. Each year, we randomly assigned 2007 or 2008 demographic rates, calculated the population growth rates (using equation (2) in Methods), and then updated species’ relati ...
The importance of niches for the maintenance of species diversity
... Salvia in less than 20 yr (Fig. 2b). This prediction emerged from simulations beginning with an equal abundance of all competitors. Each year, we randomly assigned 2007 or 2008 demographic rates, calculated the population growth rates (using equation (2) in Methods), and then updated species’ relati ...
... Salvia in less than 20 yr (Fig. 2b). This prediction emerged from simulations beginning with an equal abundance of all competitors. Each year, we randomly assigned 2007 or 2008 demographic rates, calculated the population growth rates (using equation (2) in Methods), and then updated species’ relati ...
Wetlands Survey Final Report - Coochiemudlo Island Coastcare
... captured. In several decades of trapping experience, I have never before found a total absence of small mammals even with far fewer trap-nights. One would normally expect at least a few dasyurids (carnivorous marsupials), native rodents or at the very least one or two introduced rodent species. None ...
... captured. In several decades of trapping experience, I have never before found a total absence of small mammals even with far fewer trap-nights. One would normally expect at least a few dasyurids (carnivorous marsupials), native rodents or at the very least one or two introduced rodent species. None ...
Identifying Conservation and Restoration Priorities for
... correspond. Our results indicate that an approach based on ‘‘richness hotspots’’ may fail to conserve specific species groups. We hence recommend defining a biodiversity conservation strategy prior to implementing conservation/ restoration efforts in specific regions. The conservation priority setti ...
... correspond. Our results indicate that an approach based on ‘‘richness hotspots’’ may fail to conserve specific species groups. We hence recommend defining a biodiversity conservation strategy prior to implementing conservation/ restoration efforts in specific regions. The conservation priority setti ...
bYTEBoss Conservation Ecology PPT
... • Restoration ecology seeks to initiate or speed up the recovery of degraded ecosystems • A basic assumption of restoration ecology is that most environmental damage is reversible • Two key strategies are bioremediation and augmentation of ecosystem processes Copyright © 2008 Pearson Education, Inc. ...
... • Restoration ecology seeks to initiate or speed up the recovery of degraded ecosystems • A basic assumption of restoration ecology is that most environmental damage is reversible • Two key strategies are bioremediation and augmentation of ecosystem processes Copyright © 2008 Pearson Education, Inc. ...
Effect of Reproductive Rate on Minimum Habitat Requirements of
... that breed in the eastern United States and Canada and able to predict the minimum amount of habitat that is winter in the Neotropics (Robbins 1979, Whitcomb et necessary for population survival (Nee 1994, Doncasal. 1981, Lynch and Whigham 1984, Freemark and ter et al. 1996, Fahrig 2001). This requi ...
... that breed in the eastern United States and Canada and able to predict the minimum amount of habitat that is winter in the Neotropics (Robbins 1979, Whitcomb et necessary for population survival (Nee 1994, Doncasal. 1981, Lynch and Whigham 1984, Freemark and ter et al. 1996, Fahrig 2001). This requi ...
AP Biology Ecology Unit Study Questions These questions are
... -‐ What are three ways that ecologists estimate population sizes? (Why do they need to estimate sizes?) -‐ Describe the mark-‐recapture method in detail. If you use this method to estimate ...
... -‐ What are three ways that ecologists estimate population sizes? (Why do they need to estimate sizes?) -‐ Describe the mark-‐recapture method in detail. If you use this method to estimate ...
Ecological Succession
... Ecological Succession • Ecosystems are constantly changing. • Ecological succession - gradual process of change and replacement of the types of species in a community • Primary succession - type of succession that occurs on a surface where no ecosystem existed before; It begins in an area that pre ...
... Ecological Succession • Ecosystems are constantly changing. • Ecological succession - gradual process of change and replacement of the types of species in a community • Primary succession - type of succession that occurs on a surface where no ecosystem existed before; It begins in an area that pre ...
Ch55Test_File - Milan Area Schools
... 4. The amount of energy reaching a higher trophic level is determined by a. net primary production. b. net primary production and the efficiencies with which food energy is converted to biomass. c. gross primary production. d. gross primary production and the efficiencies with which food energy is c ...
... 4. The amount of energy reaching a higher trophic level is determined by a. net primary production. b. net primary production and the efficiencies with which food energy is converted to biomass. c. gross primary production. d. gross primary production and the efficiencies with which food energy is c ...
Predicting distributions of species richness and species size in
... also be expected to decrease with increasing spatial commonness of the habitat type. Accordingly, the species pool size, defined by the opportunity for net species accumulation (speciation minus extinction) should also have a corresponding right-skewed distribution on both habitat gradients (Fig. 1c ...
... also be expected to decrease with increasing spatial commonness of the habitat type. Accordingly, the species pool size, defined by the opportunity for net species accumulation (speciation minus extinction) should also have a corresponding right-skewed distribution on both habitat gradients (Fig. 1c ...
stc_inf_7_10_summary_study_inv_alien_aq_weeds_0
... swamp crayfish (Procambarus clarkii) and a large water rodent, the Coypu (Myocastor coypus) are anecdotally blamed for the loss of the indigenous water lilies, formerly important as a food species for many of the waterbirds using the lake, now replaced in that role to some extent by invasive weeds. ...
... swamp crayfish (Procambarus clarkii) and a large water rodent, the Coypu (Myocastor coypus) are anecdotally blamed for the loss of the indigenous water lilies, formerly important as a food species for many of the waterbirds using the lake, now replaced in that role to some extent by invasive weeds. ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.