Spatial dynamics of Norwegian tetraonid populations
... calculate an index of habitat overlap at the county level between pairs of species, buffers with a radius of 1 km (approximate summer home range) were placed around all positions. This buffer area represents an approximate summer range for the species, and it is assumed that individual tetraonids livi ...
... calculate an index of habitat overlap at the county level between pairs of species, buffers with a radius of 1 km (approximate summer home range) were placed around all positions. This buffer area represents an approximate summer range for the species, and it is assumed that individual tetraonids livi ...
Behavioural aspects of conservation breeding Gallus gallus Jennie Håkansson
... wild. A correlation was also found between genetic diversity and behavioural variation. This has not been reported before and may potentially have interesting implications for conservation breeding. When studying the behaviour of populations with different backgrounds being raised together as one gr ...
... wild. A correlation was also found between genetic diversity and behavioural variation. This has not been reported before and may potentially have interesting implications for conservation breeding. When studying the behaviour of populations with different backgrounds being raised together as one gr ...
Standard 7: Select terrestrial, freshwater and marine conservation
... • Most countries lack comprehensive information about on-the-ground occurrences of plant associations and obtaining such information is financially impractical; • Plant associations are not generally mapped over broad regions; • Ecological systems are more comparable in scale to information availabl ...
... • Most countries lack comprehensive information about on-the-ground occurrences of plant associations and obtaining such information is financially impractical; • Plant associations are not generally mapped over broad regions; • Ecological systems are more comparable in scale to information availabl ...
Physiological effects of climate on distributions of endothermic species
... distributional limits a high priority (Harrington et al., 1999), particularly because of the sensitivity of conservation planning to predicted species distributions (Wilson et al., 2005). Largescale, biogeographical studies are useful tools for assessing the potential impact of climatic change on sp ...
... distributional limits a high priority (Harrington et al., 1999), particularly because of the sensitivity of conservation planning to predicted species distributions (Wilson et al., 2005). Largescale, biogeographical studies are useful tools for assessing the potential impact of climatic change on sp ...
Environmental and genetic cues in the evolution of phenotypic
... phenotype could be the level of investment in defense. The risk of predation might be variable in one habitat, but uniformly low (or uniformly high) in another. With gene flow between habitats, one may expect a genetic polymorphism, with genes for inducible development reaching higher frequency in o ...
... phenotype could be the level of investment in defense. The risk of predation might be variable in one habitat, but uniformly low (or uniformly high) in another. With gene flow between habitats, one may expect a genetic polymorphism, with genes for inducible development reaching higher frequency in o ...
Biotic and abiotic preferences of the cladoceran invader
... beads also varied with bead size and animal size (Fig. 5). Both Limnosida and Daphnia showed increased clearance rates with increasing particle size. There was also a tendency for increased clearance rates with increasing animal size for both species. Limnosida had considerably lower clearance rates ...
... beads also varied with bead size and animal size (Fig. 5). Both Limnosida and Daphnia showed increased clearance rates with increasing particle size. There was also a tendency for increased clearance rates with increasing animal size for both species. Limnosida had considerably lower clearance rates ...
Do subordinate species punch above their weight? Evidence from
... Dominant and subordinate species intrinsically exist, as demonstrated by Olff & Bakker (1998), through a statistical test on field data. Indeed, when considering a habitat as a homogeneous area in term of vegetation type, and divided into a grid with small-scale plots, subordinate species are define ...
... Dominant and subordinate species intrinsically exist, as demonstrated by Olff & Bakker (1998), through a statistical test on field data. Indeed, when considering a habitat as a homogeneous area in term of vegetation type, and divided into a grid with small-scale plots, subordinate species are define ...
are antarctic minke whales unusually abundant?
... whale meat samples purchased in Japan from minkes killed within four Antarctic management areas. These samples allowed the authors to estimate genetic variation within the Antarctic minke whale population. Large populations tend to have greater genetic variation than small ones, which have more inbr ...
... whale meat samples purchased in Japan from minkes killed within four Antarctic management areas. These samples allowed the authors to estimate genetic variation within the Antarctic minke whale population. Large populations tend to have greater genetic variation than small ones, which have more inbr ...
The Lesson of the Kaibab
... Before 1905, the deer on the Kaibab Plateau were estimated to number about 4000. The average carrying capacity of the range was then estimated to be about 30,000 deer. On November 28th, 1906, President Theodore Roosevelt created the Grand Canyon National Game Preserve to protect the “finest deer her ...
... Before 1905, the deer on the Kaibab Plateau were estimated to number about 4000. The average carrying capacity of the range was then estimated to be about 30,000 deer. On November 28th, 1906, President Theodore Roosevelt created the Grand Canyon National Game Preserve to protect the “finest deer her ...
Patch Disturbance and the Human Niche by John M - Zoe-s-wiki
... made in the image of the Christian God, were unique among all others. Fewer will make that argument today- in those words. But most are still making the same argument. Either because we are technological creatures or because we can communicate or because we are the only rational animal or because w ...
... made in the image of the Christian God, were unique among all others. Fewer will make that argument today- in those words. But most are still making the same argument. Either because we are technological creatures or because we can communicate or because we are the only rational animal or because w ...
Meso and Mega-herbivores of Balule
... number of days that they are seen on the reserve. In closed systems elephants have a measurable constant impact on the habitat, however in an open system where elephants disperse, the localized effect would be anticipated to be less (Loarie, van Aarde & Pimm, 2009). It is for this reason the WEI tea ...
... number of days that they are seen on the reserve. In closed systems elephants have a measurable constant impact on the habitat, however in an open system where elephants disperse, the localized effect would be anticipated to be less (Loarie, van Aarde & Pimm, 2009). It is for this reason the WEI tea ...
ecosystem stability
... 2. Most ecologists describe ecosystem stability as the ability of an ecosystem to maintain its structure and function over long periods of time and despite disturbances. 3. Ecosystem structure includes physical and geological structures of the landscape, the number and diversity of species present, ...
... 2. Most ecologists describe ecosystem stability as the ability of an ecosystem to maintain its structure and function over long periods of time and despite disturbances. 3. Ecosystem structure includes physical and geological structures of the landscape, the number and diversity of species present, ...
Dangerous liaisons: the ecology of private interest and common good
... parasite loses a carrier for transmission to other hosts. Similarly, a plant and a pollinator share a common interest: for both it is important that their interaction works out as it should, as reproduction is at stake for both. Less intuitively, perhaps, but we can speak of the common interest betw ...
... parasite loses a carrier for transmission to other hosts. Similarly, a plant and a pollinator share a common interest: for both it is important that their interaction works out as it should, as reproduction is at stake for both. Less intuitively, perhaps, but we can speak of the common interest betw ...
The influence of interspecific interactions on species range
... on range expansion rates. We present theoretical foundations for how interspecific interactions may modulate range expansion rates, consider examples from empirical studies of biological invasions and natural range expansions as well as process-based simulations, and discuss how interspecific intera ...
... on range expansion rates. We present theoretical foundations for how interspecific interactions may modulate range expansion rates, consider examples from empirical studies of biological invasions and natural range expansions as well as process-based simulations, and discuss how interspecific intera ...
Optimal Control of a Threatened Wildebeest-Lion Prey
... no effect to predator population as the control is taken only to prey species. From Table 1 we see that if no control measures are taken the wildebeest population would drop to approximately 152 individuals from 300 individuals expected to be attained during these 5 years if there was no threat. Wit ...
... no effect to predator population as the control is taken only to prey species. From Table 1 we see that if no control measures are taken the wildebeest population would drop to approximately 152 individuals from 300 individuals expected to be attained during these 5 years if there was no threat. Wit ...
Minireview: The importance of benthic
... inshore areas are often deposited. Benthic resting stages may accumulate in these locations as well. If material from these canyons can be reintroduced onto continental shelves via upwelling, then canyons may provide an additional refuge and source of recruits for coastal planktonic communities. Com ...
... inshore areas are often deposited. Benthic resting stages may accumulate in these locations as well. If material from these canyons can be reintroduced onto continental shelves via upwelling, then canyons may provide an additional refuge and source of recruits for coastal planktonic communities. Com ...
My following published symmetrical table for genetic codes
... tamic acid (Glu/E). For the formation of proteins in living organism cells, it is found that each amino acid can be specified by either a minimum of one codon or up to a maximum of six possible codons. In other words, different codons specify the different number of amino acids. A table for genetic c ...
... tamic acid (Glu/E). For the formation of proteins in living organism cells, it is found that each amino acid can be specified by either a minimum of one codon or up to a maximum of six possible codons. In other words, different codons specify the different number of amino acids. A table for genetic c ...
Diversity in Tropical Rain Forests and Coral Reefs Joseph H
... forests represent a nonequilibrium intermediate stage in a succession after a disturbance, in which some species populations are decreasing whereas others are increasing. Since mixed rain forests are common in the tropics, this hypothesis suggests that disturbance is frequent enough to maintain much ...
... forests represent a nonequilibrium intermediate stage in a succession after a disturbance, in which some species populations are decreasing whereas others are increasing. Since mixed rain forests are common in the tropics, this hypothesis suggests that disturbance is frequent enough to maintain much ...
BioInformatics at FSU
... have kept the data coming at alarming rates. As of April 2003, (50 years after the Watson-Crick double-helix!)16 Archaea, 128 Bacteria, and 10 Eukaryote complete, finished genomes; and 4 Vertebrate and 5 Plant essentially complete genome maps are publicly available for analysis; not counting all the ...
... have kept the data coming at alarming rates. As of April 2003, (50 years after the Watson-Crick double-helix!)16 Archaea, 128 Bacteria, and 10 Eukaryote complete, finished genomes; and 4 Vertebrate and 5 Plant essentially complete genome maps are publicly available for analysis; not counting all the ...
Lesson Overview
... Instead of competing for similar resources, species usually divide them. For example, the three species of North American warblers shown all live in the same trees and feed on insects. But one species feeds on high branches; another feeds on low branches, and another feeds in the middle. ...
... Instead of competing for similar resources, species usually divide them. For example, the three species of North American warblers shown all live in the same trees and feed on insects. But one species feeds on high branches; another feeds on low branches, and another feeds in the middle. ...
ABSTRACTS - POPBIO is a conference
... elevation has been confirmed repeatedly. it has been suggested that changing pollinators and visiting rates might be responsible for the increase. however, variability in floral size may also be driven by environmental factors, particularly by temperature. we studied floral trait variation along an ...
... elevation has been confirmed repeatedly. it has been suggested that changing pollinators and visiting rates might be responsible for the increase. however, variability in floral size may also be driven by environmental factors, particularly by temperature. we studied floral trait variation along an ...
Ecological communities in variable environments : dynamics
... Autocorrelation (with lag 1) describes the average degree of similarity (correlation) between consecutive observations in a data series. An eigenvalue is a property of a square matrix (a table with an equal number of rows and columns). In, e.g., community models, the stability of a system that is go ...
... Autocorrelation (with lag 1) describes the average degree of similarity (correlation) between consecutive observations in a data series. An eigenvalue is a property of a square matrix (a table with an equal number of rows and columns). In, e.g., community models, the stability of a system that is go ...