Identification of Ecologically and Biologically Significant Areas
... the importance of those characteristics in terms of the ecosystem structure and function. 9. In reality science rarely has a full process-based understanding of ecosystem structure and function, so the conditions in 8 often cannot be met. Areas can still be identified as Ecologically and Biologicall ...
... the importance of those characteristics in terms of the ecosystem structure and function. 9. In reality science rarely has a full process-based understanding of ecosystem structure and function, so the conditions in 8 often cannot be met. Areas can still be identified as Ecologically and Biologicall ...
Meta-ecosystems: a theoretical framework for a spatial ecosystem
... strong background in theoretical ecology and ÔstrategicÕ mathematical models. In particular, metapopulation approaches have been increasingly popular (Hanski & Gilpin 1997). Their success comes from the growing concern with the ...
... strong background in theoretical ecology and ÔstrategicÕ mathematical models. In particular, metapopulation approaches have been increasingly popular (Hanski & Gilpin 1997). Their success comes from the growing concern with the ...
Definitions of terms relating to biological diversity
... organisms of a given taxon can disperse between habitat patches Connectivity: (n) degree to which disjunct populations function as a meta-population Conservation biology: (np) science whose objective is to provide methods and results that can be used by managers to slow or halt the loss of biologica ...
... organisms of a given taxon can disperse between habitat patches Connectivity: (n) degree to which disjunct populations function as a meta-population Conservation biology: (np) science whose objective is to provide methods and results that can be used by managers to slow or halt the loss of biologica ...
CRB_Monit_Frwk_2Nov09-both
... This document outlines a monitoring framework which is intended to provide guidance for as many monitoring programs2 as possible. For this framework to be successful it is important that programs communicate, exchange data, and collaborate as feasible with other Columbia Basin Programs. Purpose and ...
... This document outlines a monitoring framework which is intended to provide guidance for as many monitoring programs2 as possible. For this framework to be successful it is important that programs communicate, exchange data, and collaborate as feasible with other Columbia Basin Programs. Purpose and ...
MODELING CARNIVORE HABITAT IN THE ROCKY MOUNTAIN
... European brown bear populations, and placed the Yellowstone population below this threshold. If the definition of a recovery zone is an area of habitat large enough to support a self-sustaining population (Servheen 1993), this suggests that an effective grizzly conservation strategy must consider th ...
... European brown bear populations, and placed the Yellowstone population below this threshold. If the definition of a recovery zone is an area of habitat large enough to support a self-sustaining population (Servheen 1993), this suggests that an effective grizzly conservation strategy must consider th ...
Importance of biogenic substrates for the stone crab
... utilization of different biogenic substrates by this species in the intertidal zone. Sampling was carried out by hand at Ubatuba, State of São Paulo, Brazil. Crabs were captured among rocks or in association with three different biogenic substrates: Phragmatopoma lapidosa, Sargassum cymosum and Schi ...
... utilization of different biogenic substrates by this species in the intertidal zone. Sampling was carried out by hand at Ubatuba, State of São Paulo, Brazil. Crabs were captured among rocks or in association with three different biogenic substrates: Phragmatopoma lapidosa, Sargassum cymosum and Schi ...
HABITAT - Outdoor Alabama
... with approximately an 80 percent decline overall since the 1960s. The bobwhite calls of males that were once commonly heard during the summer months are now few and far between. ...
... with approximately an 80 percent decline overall since the 1960s. The bobwhite calls of males that were once commonly heard during the summer months are now few and far between. ...
Wildlife Research - CSIRO Publishing
... variable that could be modelled and compared consistently through time (percentage of plot-nights with tracks). Multiple regression was used to determine the relationship between the observed abundance of each species (percentage of plot-nights with tracks) and (a) the observed habitat complexity sc ...
... variable that could be modelled and compared consistently through time (percentage of plot-nights with tracks). Multiple regression was used to determine the relationship between the observed abundance of each species (percentage of plot-nights with tracks) and (a) the observed habitat complexity sc ...
The foraging behavior of granivorous rodents
... mites ( Janssen et al., 1998), and big-eyed bugs (Geocoris punctipes; Eubanks and Denno, 2000). The first two studies did not explicitly link the predator behavior to an empirical demonstration of short-term apparent competition. The third study, Eubanks and Denno (2000), found that prey mobility wa ...
... mites ( Janssen et al., 1998), and big-eyed bugs (Geocoris punctipes; Eubanks and Denno, 2000). The first two studies did not explicitly link the predator behavior to an empirical demonstration of short-term apparent competition. The third study, Eubanks and Denno (2000), found that prey mobility wa ...
View or print this publication - Jim Cronin
... distribution of parasitism risk, I selected 26 discrete cordgrass patches, removed all sources of A. columbi, and then quantified the immigration and subsequent oviposition behavior of A. columbi colonists. I found that the number of immigrants significantly increased with patch size and decreased w ...
... distribution of parasitism risk, I selected 26 discrete cordgrass patches, removed all sources of A. columbi, and then quantified the immigration and subsequent oviposition behavior of A. columbi colonists. I found that the number of immigrants significantly increased with patch size and decreased w ...
The Ecology of Place: Contributions of Place-Based
... Tempting explanations include environmental or genetic differences that elicit different plant responses—that is, changes in realized or fundamental niches, respectively—but we cannot exclude the possibility that variable responses are artifacts of using different study methods. In the second exampl ...
... Tempting explanations include environmental or genetic differences that elicit different plant responses—that is, changes in realized or fundamental niches, respectively—but we cannot exclude the possibility that variable responses are artifacts of using different study methods. In the second exampl ...
Ecology and Evolution of Adaptive Morphological Variation in Fish
... abundance and size structure of prey populations, predation has commonly selected for ecological, behavioral and morphological traits in prey (Lima and Dill 1990, Harvell1990). Various morphological structures in prey organisms’ function as efficient adaptations against predation, and these morpholo ...
... abundance and size structure of prey populations, predation has commonly selected for ecological, behavioral and morphological traits in prey (Lima and Dill 1990, Harvell1990). Various morphological structures in prey organisms’ function as efficient adaptations against predation, and these morpholo ...
BiomePresentation project
... affect life in this habitat -rainfall, temperature ranges, amount of light, climate, pollutants - example: climographs ...
... affect life in this habitat -rainfall, temperature ranges, amount of light, climate, pollutants - example: climographs ...
Building the bridge between animal movement and population
... Skalski & Gilliam (2003) imply that it might be possible to derive appropriate redistribution kernels if we know the fraction of total time allocated to each behaviour. Several techniques are being developed to identify and model changes in movement behaviour from trajectory data (reviewed in Patter ...
... Skalski & Gilliam (2003) imply that it might be possible to derive appropriate redistribution kernels if we know the fraction of total time allocated to each behaviour. Several techniques are being developed to identify and model changes in movement behaviour from trajectory data (reviewed in Patter ...
Table 1: Official conservation status of Brisbane`s stream
... There has been limited research into the movement patterns and home ranges of most Australian frog species. This lack of knowledge is most likely due to the often cryptic nature of most frogs, making it difficult to locate and capture individuals. Radio-transmitters are also relatively heavy making ...
... There has been limited research into the movement patterns and home ranges of most Australian frog species. This lack of knowledge is most likely due to the often cryptic nature of most frogs, making it difficult to locate and capture individuals. Radio-transmitters are also relatively heavy making ...
POPULATION ECOLOGY
... count the number of organisms in a given area. We can only reasonably do this if the area is small and the organisms are relatively large; for example, we can determine the number of gumbo limbo trees on an island in the Florida Keys. Normally, however, population ecologists calculate the density of ...
... count the number of organisms in a given area. We can only reasonably do this if the area is small and the organisms are relatively large; for example, we can determine the number of gumbo limbo trees on an island in the Florida Keys. Normally, however, population ecologists calculate the density of ...
Salt marsh harvest mouse abundance and site use in a managed
... synergistic impacts on SMHM populations by increasing competition and predation. For instance, the house mouse (Mus musculus), an invasive species, uses habitat that is more patchily distributed than SMHM, which may result in the displacement of the SMHM from available habitat (Bias & Morrison, 2006 ...
... synergistic impacts on SMHM populations by increasing competition and predation. For instance, the house mouse (Mus musculus), an invasive species, uses habitat that is more patchily distributed than SMHM, which may result in the displacement of the SMHM from available habitat (Bias & Morrison, 2006 ...
Living in a landscape of fear: the impact of predation, resource
... distribution indicating that the monkeys avoided areas of high perceived predation risk by these two predators. Furthermore, the effects of fear exceeded those of local resource availability in determining range use. In contrast, the spatial distribution and local frequency of alarm responses to eag ...
... distribution indicating that the monkeys avoided areas of high perceived predation risk by these two predators. Furthermore, the effects of fear exceeded those of local resource availability in determining range use. In contrast, the spatial distribution and local frequency of alarm responses to eag ...
Why intraspecific trait variation matters in community ecology
... largely ignored by both empirical and theoretical ecologists. Recently, ecologists have gained renewed appreciation for the extent and community consequences of intraspecific variation [3,24]. Several experiments have manipulated intraspecific genetic diversity and found corresponding changes in pop ...
... largely ignored by both empirical and theoretical ecologists. Recently, ecologists have gained renewed appreciation for the extent and community consequences of intraspecific variation [3,24]. Several experiments have manipulated intraspecific genetic diversity and found corresponding changes in pop ...
Spatiotemporal food web dynamics along a desert riparian–upland
... food web dynamics at the landscape level. Empiricists have focused attention on cross-habitat flows of materials, nutrients, and prey, largely ignoring the movement of predators between habitats that differ in productivity (and how predators integrate pulses in resource availability over time). We s ...
... food web dynamics at the landscape level. Empiricists have focused attention on cross-habitat flows of materials, nutrients, and prey, largely ignoring the movement of predators between habitats that differ in productivity (and how predators integrate pulses in resource availability over time). We s ...
Dwarf Wedgemussel - NH Fish and Game
... toward older individuals, with little evidence of recruitment, whereas the downstream site showed a wider age distribution, with evidence of recruitment (Nedeau 2004). Recent surveys at long‐ term monitoring sites below the Surry Dam indicated an apparent decline in dwarf wedgemussels between 2006 a ...
... toward older individuals, with little evidence of recruitment, whereas the downstream site showed a wider age distribution, with evidence of recruitment (Nedeau 2004). Recent surveys at long‐ term monitoring sites below the Surry Dam indicated an apparent decline in dwarf wedgemussels between 2006 a ...
The Stabilizing Effect of Intraspecific Genetic Variation on Population
... genotypes (the “sampling effect”; note that this is a statistical effect, independent of similar consequences of natural selection described next). Genetic diversity may also have nonadditive effects whereby population functions are an emergent property of interactions between constituent genotypes. ...
... genotypes (the “sampling effect”; note that this is a statistical effect, independent of similar consequences of natural selection described next). Genetic diversity may also have nonadditive effects whereby population functions are an emergent property of interactions between constituent genotypes. ...
2016 Joint ICTWS, WCTWS, SNVB, and NW PARC Meeting Abstracts
... group composition and breeder turnover. We investigated how harvest affects group size, composition, and ultimately recruitment (i.e., pup survival to 15 months) in Gray Wolves (Canis lupus). We used noninvasive genetic sampling and 18 microsatellite loci to construct group pedigrees and estimate re ...
... group composition and breeder turnover. We investigated how harvest affects group size, composition, and ultimately recruitment (i.e., pup survival to 15 months) in Gray Wolves (Canis lupus). We used noninvasive genetic sampling and 18 microsatellite loci to construct group pedigrees and estimate re ...
territorial behavior and population regulation in birds
... (Kluijver, 1951:83, 1%3), the year to year variation in density was relatively small and not proportional in magnitude to the variation in the total population in the study area. On the other hand, in the pine-wood part of the study area the food supply was poorer, densities were lower and more vari ...
... (Kluijver, 1951:83, 1%3), the year to year variation in density was relatively small and not proportional in magnitude to the variation in the total population in the study area. On the other hand, in the pine-wood part of the study area the food supply was poorer, densities were lower and more vari ...