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... suggests that the net modification of a given link is often contributed to by several similar modifier species, usually with similar trophic positions relative to that link (Fig. 2). We focus on interactions between those sets of similar modifiers. A short section discussing interactions between more d ...
... suggests that the net modification of a given link is often contributed to by several similar modifier species, usually with similar trophic positions relative to that link (Fig. 2). We focus on interactions between those sets of similar modifiers. A short section discussing interactions between more d ...
Guidelines for marine ranching and stock enhancement: Draft
... All stock releases, whether of an introduced or transferred species, carry the danger of accidental introduction of disease causing agents andlor non-target species including pathogens, parasites and pest organisms to an area, with potentially highly detrimental effects on the ecosystem. It is impor ...
... All stock releases, whether of an introduced or transferred species, carry the danger of accidental introduction of disease causing agents andlor non-target species including pathogens, parasites and pest organisms to an area, with potentially highly detrimental effects on the ecosystem. It is impor ...
Estimating Relative Energy Fluxes Using the Food Web, Species
... Models were judged on their ability to produce ratios greater than 1. Ratios less than 1 were considered unrealistic because they indicated more estimated energy flux out of a species than into it. The second testing method considered the models’ ability to estimate fluxes that agreed with allometri ...
... Models were judged on their ability to produce ratios greater than 1. Ratios less than 1 were considered unrealistic because they indicated more estimated energy flux out of a species than into it. The second testing method considered the models’ ability to estimate fluxes that agreed with allometri ...
toward a metabolic theory of ecology
... so they must expend metabolic energy to maintain concentration gradients across their surfaces, to acquire necessary elements, and to excrete waste products. Fundamental stoichiometric relationships dictate the quantities of elements that are transformed in the reactions of metabolism. Biochemistry ...
... so they must expend metabolic energy to maintain concentration gradients across their surfaces, to acquire necessary elements, and to excrete waste products. Fundamental stoichiometric relationships dictate the quantities of elements that are transformed in the reactions of metabolism. Biochemistry ...
Hydrological and habitat requirements to maintain viable Southern
... hydroperiod can result in mass mortality of tadpoles and poor survivorship amongst resulting metamorphs (Lane and Mahony, 2002). Flooding frequency also plays a key role in structuring amphibian communities because reduced flooding frequency can exclude species that do not have adaptations which all ...
... hydroperiod can result in mass mortality of tadpoles and poor survivorship amongst resulting metamorphs (Lane and Mahony, 2002). Flooding frequency also plays a key role in structuring amphibian communities because reduced flooding frequency can exclude species that do not have adaptations which all ...
Ecology and Ecosystems
... Abiotic factors could include edaphic factors (soil types, profile development, pH, moisture); climate, weather and aspect; aquatic factors (light, water movement, oxygen, temperature, nutrient levels including eutrophication and thermal stratification). Interspecific and trophic relationships could ...
... Abiotic factors could include edaphic factors (soil types, profile development, pH, moisture); climate, weather and aspect; aquatic factors (light, water movement, oxygen, temperature, nutrient levels including eutrophication and thermal stratification). Interspecific and trophic relationships could ...
Intersexual differences of heat shock response between two
... the sexes to thermal shifts can propagate through biological levels, eventually altering population and community composition and abundance. To provide comprehensive information about the potential physiological responses of species to the effects of a changing climate, studies of intraspecific diff ...
... the sexes to thermal shifts can propagate through biological levels, eventually altering population and community composition and abundance. To provide comprehensive information about the potential physiological responses of species to the effects of a changing climate, studies of intraspecific diff ...
Paraoxonase-2 Gene (PON2) G148 Variant Associated with
... product is unknown, its tissue distribution suggests a role that unique from that of paraoxonase (8). The PDK4 product modulates the activity of the mitochondrial pyruvate dehydrogenase complex, which catalyzes the first step in mitochondrial glucose oxidation; thus, PDK4 is also a reasonable candid ...
... product is unknown, its tissue distribution suggests a role that unique from that of paraoxonase (8). The PDK4 product modulates the activity of the mitochondrial pyruvate dehydrogenase complex, which catalyzes the first step in mitochondrial glucose oxidation; thus, PDK4 is also a reasonable candid ...
The place of the steppe marmot in steppe ecosystems of Ukraine: an
... In the beginning of the XX century the insular settlements remained only on the left bank of the Severski Donets River. The steppes on the left bank of the Donets were hilly and richly intersected by rivers and gullies. The gullies could not be ploughed and they became the only potential habitats fo ...
... In the beginning of the XX century the insular settlements remained only on the left bank of the Severski Donets River. The steppes on the left bank of the Donets were hilly and richly intersected by rivers and gullies. The gullies could not be ploughed and they became the only potential habitats fo ...
COMPETITION AND SALT-MARSH PLANT ZONATION: STRESS
... at zonal and patch boundaries in two Rhode Island (USA) marshes revealed that competitive outcomes were typically reversed when nutrients were abundant. These results, which are consistent with earlier findings in a third southern New England marsh, suggest that a nutrientdependent competitive hiera ...
... at zonal and patch boundaries in two Rhode Island (USA) marshes revealed that competitive outcomes were typically reversed when nutrients were abundant. These results, which are consistent with earlier findings in a third southern New England marsh, suggest that a nutrientdependent competitive hiera ...
Western Screech-Owl kennicottii subspecies,Megascops kennicottii
... The Western Screech-Owl is nonmigratory; pairs defend territories year-round. They are generalist predators, feeding primarily on small mammals and large insects, but also small birds, fish, frogs, and slugs. Young birds disperse from their natal territories in late summer. Population Sizes and Tren ...
... The Western Screech-Owl is nonmigratory; pairs defend territories year-round. They are generalist predators, feeding primarily on small mammals and large insects, but also small birds, fish, frogs, and slugs. Young birds disperse from their natal territories in late summer. Population Sizes and Tren ...
Development of the genetic code: Insights from a fungal
... plays a major role in the evolution of genetic code alterations via its biased effects on codon usage [44,46] (Fig. 3A). The theory posits that codons can disappear from genomes due to strong G + C or A + T replication pressure, and is supported by the unassignment of the AGA, AUA codons in Microcco ...
... plays a major role in the evolution of genetic code alterations via its biased effects on codon usage [44,46] (Fig. 3A). The theory posits that codons can disappear from genomes due to strong G + C or A + T replication pressure, and is supported by the unassignment of the AGA, AUA codons in Microcco ...
Stability and complexity : a reappraisal of the Competitive Exclusion
... Although Elton never defined stability, it is assumed by most modern ecologists to ...
... Although Elton never defined stability, it is assumed by most modern ecologists to ...
Alternative states and positive feedbacks in restoration ecology
... areas and short time periods, particularly in comparison to slow transient successional change [43]. Additionally, degraded systems probably will rarely meet the stability criterion that is central to this theory (Box 2) because most communities are continually subjected to new invasion and species ...
... areas and short time periods, particularly in comparison to slow transient successional change [43]. Additionally, degraded systems probably will rarely meet the stability criterion that is central to this theory (Box 2) because most communities are continually subjected to new invasion and species ...
Ecosystem fragmentation drives increased diet variation in an
... relationship among populations; results are qualitatively similar if excluding this interaction). For males, there was no association between body size and growth rate (P = 0.89), and thus, site means were used in analysis. Gut contents and stable isotopes Resource use was quantified as proportions ...
... relationship among populations; results are qualitatively similar if excluding this interaction). For males, there was no association between body size and growth rate (P = 0.89), and thus, site means were used in analysis. Gut contents and stable isotopes Resource use was quantified as proportions ...
Myoporum Thrips Control
... groundcover alongside a caddy shack at a golf course in Oceanside, CA was used for the trial. The 22 meter by 1.5 meter planting was separated into sixteen 1.2m2 plots to accommodate four treatments with four replicates. Since the treated area was linear, a completely randomized design was used to a ...
... groundcover alongside a caddy shack at a golf course in Oceanside, CA was used for the trial. The 22 meter by 1.5 meter planting was separated into sixteen 1.2m2 plots to accommodate four treatments with four replicates. Since the treated area was linear, a completely randomized design was used to a ...
Discovery of Paralogous Nuclear Gene Sequences Coding for the
... amino acid changes may be too rare to reveal any information about relationships among closely related taxa, and some synonymous changes may be informative at certain levels of the tree. Agosti, Jacobs, and DeSalle (1996) suggested that nucleic acid sequences and their translated amino acid codings ...
... amino acid changes may be too rare to reveal any information about relationships among closely related taxa, and some synonymous changes may be informative at certain levels of the tree. Agosti, Jacobs, and DeSalle (1996) suggested that nucleic acid sequences and their translated amino acid codings ...
Brachyura (Decapoda, Crustacea) of phytobenthic
... Grande Bay (sampling site XI); F-Sepetiba Bay (sampling site XII); G-Cabo Frio-Búzios (sampling site XIII); H- Macaé-northern State line (sampling site XIV). ...
... Grande Bay (sampling site XI); F-Sepetiba Bay (sampling site XII); G-Cabo Frio-Búzios (sampling site XIII); H- Macaé-northern State line (sampling site XIV). ...
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 ...
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... implements regulations to maximize discounted rents from a single renewable resource, only one control – a quota or a license fee – is needed to achieve the efficient outcome. This is the case for (3)-(4) when = 0 (i.e., a single-species model with no congestion externalities) and there are no tra ...
... implements regulations to maximize discounted rents from a single renewable resource, only one control – a quota or a license fee – is needed to achieve the efficient outcome. This is the case for (3)-(4) when = 0 (i.e., a single-species model with no congestion externalities) and there are no tra ...
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 ...
Western Harvest Mouse (Reithrodontomys megalotis megalotis)
... because it has a limited range, and small extent of occurrence and area of occupancy. It is listed as Special Concern under Schedule 1 of the Species at Risk Act (SARA). In British Columbia (B.C.), the Western Harvest Mouse is ranked S2S3 (imperiled to vulnerable) by the Conservation Data Centre and ...
... because it has a limited range, and small extent of occurrence and area of occupancy. It is listed as Special Concern under Schedule 1 of the Species at Risk Act (SARA). In British Columbia (B.C.), the Western Harvest Mouse is ranked S2S3 (imperiled to vulnerable) by the Conservation Data Centre and ...
Nutrient resorption of wetland graminoids is related to the type of
... correlations were calculated after verifying that, for all relevant pairs of variables, model-I regression slopes of one variable against the other did not differ significantly among species (i.e. no interaction in an analysis of covariance). All variables were then adjusted by subtracting species m ...
... correlations were calculated after verifying that, for all relevant pairs of variables, model-I regression slopes of one variable against the other did not differ significantly among species (i.e. no interaction in an analysis of covariance). All variables were then adjusted by subtracting species m ...