reviews - Gary Bucciarelli
... Gary M. Bucciarelli1, Andrew R. Blaustein2, Tiffany S. Garcia3, and Lee B. Kats4 Since the first documented declines of amphibian species, researchers have learned how nonnative species can depress amphibian populations and lead to local extinctions. Here, we explore the dimensions of invasions in t ...
... Gary M. Bucciarelli1, Andrew R. Blaustein2, Tiffany S. Garcia3, and Lee B. Kats4 Since the first documented declines of amphibian species, researchers have learned how nonnative species can depress amphibian populations and lead to local extinctions. Here, we explore the dimensions of invasions in t ...
The analysis of stress in natural populations
... The detection and measurement of stresses in natural populationr are beset with considerable difficulties because of the variance in time and space of many natural systems. A stress is an environmental change that causer some response by the population of interest (e.g. Pickering, 1981).Stresses are ...
... The detection and measurement of stresses in natural populationr are beset with considerable difficulties because of the variance in time and space of many natural systems. A stress is an environmental change that causer some response by the population of interest (e.g. Pickering, 1981).Stresses are ...
How do seagrasses grow and spread?
... their rates, as well as mechanisms of seagrasses to spread. We do so by describing seagrass architectural features and the wide repertoire of module addition and growth rates, and discussing the mechanisms and rates of seagrass colonisation. Four sections of this chapter are dedicated to the growth ...
... their rates, as well as mechanisms of seagrasses to spread. We do so by describing seagrass architectural features and the wide repertoire of module addition and growth rates, and discussing the mechanisms and rates of seagrass colonisation. Four sections of this chapter are dedicated to the growth ...
Evaluating MPA effectiveness
... essential for the validity of model development. Environmental variability might decouple key relationships (e.g., stock-recruitment). There is uncertainty in defining the stock, and measuring the degree of linkage between sub-populations at different sites. The required targets for percentage of st ...
... essential for the validity of model development. Environmental variability might decouple key relationships (e.g., stock-recruitment). There is uncertainty in defining the stock, and measuring the degree of linkage between sub-populations at different sites. The required targets for percentage of st ...
Climate, vegetation, and predictable gradients in mammal species
... constant through the use of equal-area sampling units; second, richness data should pertain only to ecologically similar taxonomic groups (e.g. only woody plants, or only mammals). If prediction is a goal, all relevant taxa (i.e. all mammals, all woody plants) need to be included. Scale of analysis ...
... constant through the use of equal-area sampling units; second, richness data should pertain only to ecologically similar taxonomic groups (e.g. only woody plants, or only mammals). If prediction is a goal, all relevant taxa (i.e. all mammals, all woody plants) need to be included. Scale of analysis ...
American Journal of Botan
... (Saunders et al., 1991; Saunders, 1998). The spectrum of organisms, from microbes to mammals, that occupies heavily fragmented landscapes experience these effects differently depending upon their size and mobility. Following Franklin et al. (2002), we define habitat fragmentation as human-induced di ...
... (Saunders et al., 1991; Saunders, 1998). The spectrum of organisms, from microbes to mammals, that occupies heavily fragmented landscapes experience these effects differently depending upon their size and mobility. Following Franklin et al. (2002), we define habitat fragmentation as human-induced di ...
The Dynamics of Temperate Forest Fragmentation
... population with a longer duration that any local population; (3) patches are sufficiently connected to allow recolonization; and (4) sufficient spatial and environmental variation exists to prohibit simultaneous extinction of all local populations (Hanski and Kuussaari 1995). The rescue effect enac ...
... population with a longer duration that any local population; (3) patches are sufficiently connected to allow recolonization; and (4) sufficient spatial and environmental variation exists to prohibit simultaneous extinction of all local populations (Hanski and Kuussaari 1995). The rescue effect enac ...
Effects of Forest Land Management on Terrestrial Mollusks
... life in an ATV accident August 18th, 2011 while researching the impact of forestry practices on terrestrial snails and slugs. Although cut far too short, Suzanne's contributions to this field are significant and deeply appreciated. Foreword: National policies for the Forest Service (Forest Service M ...
... life in an ATV accident August 18th, 2011 while researching the impact of forestry practices on terrestrial snails and slugs. Although cut far too short, Suzanne's contributions to this field are significant and deeply appreciated. Foreword: National policies for the Forest Service (Forest Service M ...
Full-Text PDF
... control herbivory from livestock and was used as either cropland or meadows for the production of farms [30] or the Sami lands [31], will not be treated here. The historical development of cultural fodder for livestock, the latter covering the largest area. Moist or wet meadows were generally open, ...
... control herbivory from livestock and was used as either cropland or meadows for the production of farms [30] or the Sami lands [31], will not be treated here. The historical development of cultural fodder for livestock, the latter covering the largest area. Moist or wet meadows were generally open, ...
Changes of diet and dominant intestinal microbes in farmland frogs
... The gastrointestinal tract is the primary site where microorganisms interact with the host species. The gastrointestinal microbiota maintains the functions of nutrient, immune, and development regulation and is important for host health [1–4]. The gut microbiota is commonly influenced by the host di ...
... The gastrointestinal tract is the primary site where microorganisms interact with the host species. The gastrointestinal microbiota maintains the functions of nutrient, immune, and development regulation and is important for host health [1–4]. The gut microbiota is commonly influenced by the host di ...
Some Basic Principles of Habitat Use
... median (i.e., based on resources available for reproduction), to high (i.e., based on resources available for population persistence). Habitat quality should be linked with demographics, not vegetative features, if it is to be a useful measure. For example, Ables and Ables (1987) evaluated habitat q ...
... median (i.e., based on resources available for reproduction), to high (i.e., based on resources available for population persistence). Habitat quality should be linked with demographics, not vegetative features, if it is to be a useful measure. For example, Ables and Ables (1987) evaluated habitat q ...
Effects of Forest Land Management on Terrestrial Mollusks: A
... life in an ATV accident August 18th, 2011 while researching the impact of forestry practices on terrestrial snails and slugs. Although cut far too short, Suzanne's contributions to this field are significant and deeply appreciated. Foreword: National policies for the Forest Service (Forest Service M ...
... life in an ATV accident August 18th, 2011 while researching the impact of forestry practices on terrestrial snails and slugs. Although cut far too short, Suzanne's contributions to this field are significant and deeply appreciated. Foreword: National policies for the Forest Service (Forest Service M ...
The interaction between habitat conditions, ecosystem
... largely centred upon concepts of species redundancy and ecosystem stability, both concepts being characterised by a lack of empirical data and few well-designed field investigations. Mathematical models have produced inconclusive results showing that more diverse ecosystems can be either more or les ...
... largely centred upon concepts of species redundancy and ecosystem stability, both concepts being characterised by a lack of empirical data and few well-designed field investigations. Mathematical models have produced inconclusive results showing that more diverse ecosystems can be either more or les ...
here - Bats as a component of integrated pest management
... differ. Bats are also known to move from one roost site to another as a consequence of predation pressure (the roost has been identified and is frequently visited by a predator of bats, i.e. a cat, or genet), by parasite pressure (increased mite and or lice numbers), or proximity to prey (bats will ...
... differ. Bats are also known to move from one roost site to another as a consequence of predation pressure (the roost has been identified and is frequently visited by a predator of bats, i.e. a cat, or genet), by parasite pressure (increased mite and or lice numbers), or proximity to prey (bats will ...
COEXISTENCE OF TEMPORALLY PARTITIONED SPINY MICE
... exhibit extreme temporal partitioning between congeners, to opposite parts of the diel cycle, which is otherwise extremely rare among mammals. This temporal partitioning has been shown to result from interspecific competition (Shkolnik 1971) and is especially interesting because the species displace ...
... exhibit extreme temporal partitioning between congeners, to opposite parts of the diel cycle, which is otherwise extremely rare among mammals. This temporal partitioning has been shown to result from interspecific competition (Shkolnik 1971) and is especially interesting because the species displace ...
myrmecophile insecta associated with some ant
... aphids, coccids, mealy bugs and membracids. Homopterans excrete honeydew that serves as food for ants. Ants also prey upon myrmecophilous Homoptera to supplement their protein requirements, and in doing so, they regulate populations of attended homopterans, preventing possible overpopulation and dea ...
... aphids, coccids, mealy bugs and membracids. Homopterans excrete honeydew that serves as food for ants. Ants also prey upon myrmecophilous Homoptera to supplement their protein requirements, and in doing so, they regulate populations of attended homopterans, preventing possible overpopulation and dea ...
CHANGES IN BENTHIC COMMUNITY COMPOSITION ... DZADEMA W. 271
... were very low (0.1. m- “) prior to the urchin’s mortality, while percent cover by noncrustose algae (31.8%) was much higher than at shallower sites with abund~t Diadema (Liddell et al., 1984a). Nonquantitative visual surveys of the 30-m site at 2 wk and 1 yr after the Diudema mortality suggest that ...
... were very low (0.1. m- “) prior to the urchin’s mortality, while percent cover by noncrustose algae (31.8%) was much higher than at shallower sites with abund~t Diadema (Liddell et al., 1984a). Nonquantitative visual surveys of the 30-m site at 2 wk and 1 yr after the Diudema mortality suggest that ...
Compensation masks trophic cascades in complex food
... et al, 2007). This modeling framework was chosen because it is grounded in empirical knowledge about network structure, species parameters and nonlinear interaction dynamics. Previous work has shown that allometric scaling of parameters and complex functional responses are vital for modeling persist ...
... et al, 2007). This modeling framework was chosen because it is grounded in empirical knowledge about network structure, species parameters and nonlinear interaction dynamics. Previous work has shown that allometric scaling of parameters and complex functional responses are vital for modeling persist ...
Spatial discordance in fish, coral, and sponge assemblages across
... species. Nevertheless, there were no clear patterns in community similarity matrices of fish and benthic assemblages, suggesting that overall coral and sponge assemblages had weak or no direct association with patterns in fish assemblages. A closer examination of fish trophic groups indicated that p ...
... species. Nevertheless, there were no clear patterns in community similarity matrices of fish and benthic assemblages, suggesting that overall coral and sponge assemblages had weak or no direct association with patterns in fish assemblages. A closer examination of fish trophic groups indicated that p ...
Notes towards Biodiversity Chapter 5
... Extinction events are relatively short (in terms of geological time) periods with greatly increased extinction rates (Leakey and Lewin 1995, Futuyma 1998, Futuyma 2005, Wikipedia Contributors 2006c). Extinction events form peaks on the graph shown. The definition of a mass extinction event depends ...
... Extinction events are relatively short (in terms of geological time) periods with greatly increased extinction rates (Leakey and Lewin 1995, Futuyma 1998, Futuyma 2005, Wikipedia Contributors 2006c). Extinction events form peaks on the graph shown. The definition of a mass extinction event depends ...
Notes towards Biodiversity Chapter 6
... Extinction events are relatively short (in terms of geological time) periods with greatly increased extinction rates (Leakey & Lewin 1995, Futuyma 1998, Futuyma 2005, Wikipedia Contributors 2006c). Extinction events form peaks on the graph shown. The definition of a mass extinction event depends on ...
... Extinction events are relatively short (in terms of geological time) periods with greatly increased extinction rates (Leakey & Lewin 1995, Futuyma 1998, Futuyma 2005, Wikipedia Contributors 2006c). Extinction events form peaks on the graph shown. The definition of a mass extinction event depends on ...
CBNERR Research Bibliography
... sediment biogeochemical and biomass characteristics of sandy, shoal, seagrass, silt-mud, and marsh habitats. Ecological models were developed for each habitat based upon their position and ecological characteristics. The models simulate the dynamics of phytoplankton, particulate and dissolved organi ...
... sediment biogeochemical and biomass characteristics of sandy, shoal, seagrass, silt-mud, and marsh habitats. Ecological models were developed for each habitat based upon their position and ecological characteristics. The models simulate the dynamics of phytoplankton, particulate and dissolved organi ...
Intra- and interspecific competition among coexisting lotic snails
... considered to be harsh environments in which community structure and function are determined by physical factors and stochastic events such as floods (e.g., Hynes 1970, Minshall and Minshall 1977, Reice 1981, Grossman et al. 1982, 1998, Resh et al. 1988). For benthic macroinvertebrates in particular ...
... considered to be harsh environments in which community structure and function are determined by physical factors and stochastic events such as floods (e.g., Hynes 1970, Minshall and Minshall 1977, Reice 1981, Grossman et al. 1982, 1998, Resh et al. 1988). For benthic macroinvertebrates in particular ...
Impacts of Invasive Species on Food Webs: A Review of Empirical
... environmental and biotic filters. Environmental filters include all the abiotic conditions that determine the range of physicochemical properties, often called the fundamental niche, that make a new habitat suitable for a species to complete its life cycle. As an example, temperature is a major envi ...
... environmental and biotic filters. Environmental filters include all the abiotic conditions that determine the range of physicochemical properties, often called the fundamental niche, that make a new habitat suitable for a species to complete its life cycle. As an example, temperature is a major envi ...
Understanding what controls the spatial distribution of fish
... energy or mortality risk. In the ideal free distribution world, individuals distribute themselves in habitats of varying quality in such way that the resulting suitability (often expressed as individual ...
... energy or mortality risk. In the ideal free distribution world, individuals distribute themselves in habitats of varying quality in such way that the resulting suitability (often expressed as individual ...