ClsI eEl eEl - Competitive Enterprise Institute
... For several years now, the World Wildlife Fund and other wildlife interest groups have been saying such things as, "Without firing a shot, we may kill one-fifth of all species of life on this planet within the next ...
... For several years now, the World Wildlife Fund and other wildlife interest groups have been saying such things as, "Without firing a shot, we may kill one-fifth of all species of life on this planet within the next ...
Chapter I INTRODUCTION AND OBJECTIVES
... biology of a pest then more options available for their control methods that do not involve synthetic chemical, can be more precisely targeted to a particular pest, and are more eco-friendly. Such studies require biological research on the pest and also require research enabling a particular pest to ...
... biology of a pest then more options available for their control methods that do not involve synthetic chemical, can be more precisely targeted to a particular pest, and are more eco-friendly. Such studies require biological research on the pest and also require research enabling a particular pest to ...
Dynamics of transposable elements: towards a community ecology
... processes acting at the level of the individual TE. Contrary to ecological communities, however, TE communities are shaped by selection at the level of their ecosystem (i.e. the host individual). Developing ecological models specific to the genome will thus be a prerequisite for modeling the dynamic ...
... processes acting at the level of the individual TE. Contrary to ecological communities, however, TE communities are shaped by selection at the level of their ecosystem (i.e. the host individual). Developing ecological models specific to the genome will thus be a prerequisite for modeling the dynamic ...
succession - Cary Institute of Ecosystem Studies
... specific mechanism within each of these general causes or on the importance of these general causes relative to each other. As specific mechanisms and their relative importance are likely to vary dramatically among locations, we will focus primarily on the general causes. ...
... specific mechanism within each of these general causes or on the importance of these general causes relative to each other. As specific mechanisms and their relative importance are likely to vary dramatically among locations, we will focus primarily on the general causes. ...
Wild boars as seed dispersal agents of exotic plants from
... waste-disposal sites, and gardens, where they prefer to forage ...
... waste-disposal sites, and gardens, where they prefer to forage ...
1 From plants to communities - Biology Department | UNC Chapel Hill
... 1.1 Features of all land plants that predetermine their natural history .................................. 3 1.2 What is a plant community? ............................................................................................ 7 The accession of species into mixtures .......................... ...
... 1.1 Features of all land plants that predetermine their natural history .................................. 3 1.2 What is a plant community? ............................................................................................ 7 The accession of species into mixtures .......................... ...
- Integrative Biology - University of California, Berkeley
... exceeded, and (3) understanding that the goal of saving species may soon be decoupled from the goal of maintaining ecosystems whose species interactions are not primarily orchestrated by humans. Therefore, the first essential contribution of vertebrate paleontology is to establish, in metrics that ar ...
... exceeded, and (3) understanding that the goal of saving species may soon be decoupled from the goal of maintaining ecosystems whose species interactions are not primarily orchestrated by humans. Therefore, the first essential contribution of vertebrate paleontology is to establish, in metrics that ar ...
- ResearchOnline@JCU
... found on coral reefs, predators that exhibit prey-switching behavior (sensu Murdoch and Oaten 1975) are predicted to have the greatest impacts on relatively common prey species, which could result in weaker impacts on relatively rare prey species. Ultimately, how predators choose among multiple prey ...
... found on coral reefs, predators that exhibit prey-switching behavior (sensu Murdoch and Oaten 1975) are predicted to have the greatest impacts on relatively common prey species, which could result in weaker impacts on relatively rare prey species. Ultimately, how predators choose among multiple prey ...
Human-modified ecosystems and future evolution
... nutrient flow rates will increase. Fifth, resilience will increase but resistance will decrease. Sixth, external agencies and stochastic events will increasingly govern community dynamics as the internal feedback linkages dominated by large animals weaken (53). Finally, the loss of important functio ...
... nutrient flow rates will increase. Fifth, resilience will increase but resistance will decrease. Sixth, external agencies and stochastic events will increasingly govern community dynamics as the internal feedback linkages dominated by large animals weaken (53). Finally, the loss of important functio ...
A network approach for inferring species associations from co
... Species are not distributed randomly across sites, but rather have regional geographic distributions that are constrained by climate and dispersal limitations. In the past, most null models have been defined by simply resampling the observed species site community matrix O (Gotelli and Ulrich 2010 ...
... Species are not distributed randomly across sites, but rather have regional geographic distributions that are constrained by climate and dispersal limitations. In the past, most null models have been defined by simply resampling the observed species site community matrix O (Gotelli and Ulrich 2010 ...
The challenge posed by newly discovered cryptic species
... originally not distinguished from others owing to high morphological similarity (Bickford et al., 2007), contributing to a better appraisal of biodiversity on planet. In mammals, for instance, the world-wide number of known species increased by 10% within the last 15 years, with 60% of the new findi ...
... originally not distinguished from others owing to high morphological similarity (Bickford et al., 2007), contributing to a better appraisal of biodiversity on planet. In mammals, for instance, the world-wide number of known species increased by 10% within the last 15 years, with 60% of the new findi ...
paper
... of large carnivores that prey on them, they are suitable as a model subject to study the dynamics of animal communities. The objective of this study is to determine whether there exists a spatial or temporal difference in the sharing of resources between guilds of mammals. More specifically, it is p ...
... of large carnivores that prey on them, they are suitable as a model subject to study the dynamics of animal communities. The objective of this study is to determine whether there exists a spatial or temporal difference in the sharing of resources between guilds of mammals. More specifically, it is p ...
Microbial interactions: from networks to models
... ecological webs can have a positive impact (that is, a win), a negative impact (that is, a loss) or no impact on the species involved. The possible combinations of win, loss and neutral outcomes for two interaction partners allow the classification of various interaction types1 (FIG. 1). For instanc ...
... ecological webs can have a positive impact (that is, a win), a negative impact (that is, a loss) or no impact on the species involved. The possible combinations of win, loss and neutral outcomes for two interaction partners allow the classification of various interaction types1 (FIG. 1). For instanc ...
2014 apes review
... c. For organisms to further deplete resources, become weaker, and for some, to perish d. For the intrinsic rate of increase to reach equilibrium with gross primary productivity e. For the birth rate to equal the total solar output per unit rate ...
... c. For organisms to further deplete resources, become weaker, and for some, to perish d. For the intrinsic rate of increase to reach equilibrium with gross primary productivity e. For the birth rate to equal the total solar output per unit rate ...
Managing for Threatened, Endangered, and Sensitive Species
... until six years after the initial inventory. Highly mobile species, such as migratory birds, must also be considered, as they might not have been present during the baseline inventory. At aafb, the management regime for grasslands was changed from annual mowing to prescribed burning for the then thr ...
... until six years after the initial inventory. Highly mobile species, such as migratory birds, must also be considered, as they might not have been present during the baseline inventory. At aafb, the management regime for grasslands was changed from annual mowing to prescribed burning for the then thr ...
the intermediate disturbance hypothesis and its applicability to
... Among relatively modest-sized lakes with persistent environmental gradients, permanent horizontal discontinuities have been described: a classic example is that of Lac Memphrémagog, described by Watson and Kalff (1981). However, many smaller lakes are less extensive than the critical patch size and, ...
... Among relatively modest-sized lakes with persistent environmental gradients, permanent horizontal discontinuities have been described: a classic example is that of Lac Memphrémagog, described by Watson and Kalff (1981). However, many smaller lakes are less extensive than the critical patch size and, ...
The inflationary effects of environmental fluctuations in
... excluded species within a local assemblage depends on recurrent immigration from sources, a form of the ‘‘rescue effect’’ (7). But if habitat quality and hence local recruitment vary because of fluctuations in biotic or abiotic environmental variables, then sink populations may experience periods of ...
... excluded species within a local assemblage depends on recurrent immigration from sources, a form of the ‘‘rescue effect’’ (7). But if habitat quality and hence local recruitment vary because of fluctuations in biotic or abiotic environmental variables, then sink populations may experience periods of ...
Issue Summary for Great Lakes Coastal Wetlands
... This document summarizes the desired state, key threats (including stresses and their likely sources) and the current issues that are keeping open/nearshore waters; coastal wetlands; coastal shore; streams, tributaries, connecting channels; inland lakes and wetlands; and uplands from reaching their ...
... This document summarizes the desired state, key threats (including stresses and their likely sources) and the current issues that are keeping open/nearshore waters; coastal wetlands; coastal shore; streams, tributaries, connecting channels; inland lakes and wetlands; and uplands from reaching their ...
Nordic Society Oikos
... "checkerboard distributions" of species that never occupied the same island (or local habitat patch). Diamond (1975) presented seven examples of checkerboard distributions from the Bismarck Archipelago. Connor and Simberloff (1979) argued that most of the rules were tautologies and that checkerboar ...
... "checkerboard distributions" of species that never occupied the same island (or local habitat patch). Diamond (1975) presented seven examples of checkerboard distributions from the Bismarck Archipelago. Connor and Simberloff (1979) argued that most of the rules were tautologies and that checkerboar ...
Relationship between Invasive Plant Species and Forest Fauna in
... invasion of E. umbellata. This is an example of the enemy release hypothesis that has become such a staple among researchers in the field of invasive species. When these species move from their native habitat to a foreign area, they are generally faced with little or no natural predators, allowing f ...
... invasion of E. umbellata. This is an example of the enemy release hypothesis that has become such a staple among researchers in the field of invasive species. When these species move from their native habitat to a foreign area, they are generally faced with little or no natural predators, allowing f ...
Evidence for interspecific interactions in the ectoparasite infracommunity of a wild mammal
... specimens from this genus. None of the ectoparasite data collected satisfied the criteria for a normal distribution (Shapiro-Wilk Test: p < 0.001) and transformations were unsuccessful. Therefore, we analysed the effect of season, sex, treatment (untreated vs. treated) and capture (see below) on ect ...
... specimens from this genus. None of the ectoparasite data collected satisfied the criteria for a normal distribution (Shapiro-Wilk Test: p < 0.001) and transformations were unsuccessful. Therefore, we analysed the effect of season, sex, treatment (untreated vs. treated) and capture (see below) on ect ...
Current distribution of parthenium weed in Kenya and
... Locality Details (Geographical coordinates & Altitude) Habitat type ...
... Locality Details (Geographical coordinates & Altitude) Habitat type ...
Species Abundance, Not Diet Breadth, Drives the Persistence of the
... but instead are more abundant in human-disturbed habitats. This is true in forested biomes generally (Winfree et al. 2011), in our previous work in this region (Winfree and Kremen 2009), and in the present study (fig. A2). The presence of such disturbance-associated species would hinder our ability ...
... but instead are more abundant in human-disturbed habitats. This is true in forested biomes generally (Winfree et al. 2011), in our previous work in this region (Winfree and Kremen 2009), and in the present study (fig. A2). The presence of such disturbance-associated species would hinder our ability ...
Life histories
... in populations of guppies with low mortality rates (Reznick et al. 2004). In populations where mortality is high due to predation or starvation, guppies may be investing less energy in immune system development and maintenance, resulting in higher rates of senescence due to disease. ...
... in populations of guppies with low mortality rates (Reznick et al. 2004). In populations where mortality is high due to predation or starvation, guppies may be investing less energy in immune system development and maintenance, resulting in higher rates of senescence due to disease. ...