Evolution, ecology and conservation of Dolly Varden
... ability, as well as species interactions within distinct communities. This heterogeneity likely influenced resource polymorphisms and life history variation at a variety of scales, as has been observed in other species (e.g., Smith and Skúlason 1996). Here we use the term “life history” in a broad ...
... ability, as well as species interactions within distinct communities. This heterogeneity likely influenced resource polymorphisms and life history variation at a variety of scales, as has been observed in other species (e.g., Smith and Skúlason 1996). Here we use the term “life history” in a broad ...
Density-dependent migration in an Amphiura filiformis (Amphiuridae
... ABSTRACT: The hypothesis that the semi-mobile brittle star Amphiura filiformis may have densitydependent migratory behaviour and that their dispersion may be dependent on food availability was examined. Sediment with intact fauna dominated by A. filiformis (-2250 ind. m-2) was brought to the laborat ...
... ABSTRACT: The hypothesis that the semi-mobile brittle star Amphiura filiformis may have densitydependent migratory behaviour and that their dispersion may be dependent on food availability was examined. Sediment with intact fauna dominated by A. filiformis (-2250 ind. m-2) was brought to the laborat ...
Module # 7 – Component # 12
... Roughly 70 % of its kills are of impala and other similarly sized ungulates. There are, however, quite a number of documented cases of cheetah being able to kill much larger prey when hunting co-operatively. In one specific scenario, a group of cheetah seems to specialise in giraffe. Even when a suc ...
... Roughly 70 % of its kills are of impala and other similarly sized ungulates. There are, however, quite a number of documented cases of cheetah being able to kill much larger prey when hunting co-operatively. In one specific scenario, a group of cheetah seems to specialise in giraffe. Even when a suc ...
The role of community and population ecology in applying
... in the non-inoculated crop. Most AMF field trials have been conducted in temperate agroecosystems where nutrient bioavailability is high compared with most tropical soils, thus reducing the possibility of an AMF effect. In contrast, most tropical soils have low bioavailable phosphate content and hig ...
... in the non-inoculated crop. Most AMF field trials have been conducted in temperate agroecosystems where nutrient bioavailability is high compared with most tropical soils, thus reducing the possibility of an AMF effect. In contrast, most tropical soils have low bioavailable phosphate content and hig ...
Appendix 3-2 Rare snail reintro guidelines
... determined by on site weather data collection. All snails destined for reintroduction should be marked with unique alpha-numeric codes in order to track the survivorship of individual snails. Only snails larger than 10 mm can be marked using the hole-punch and superglue tagging technique. The lab sh ...
... determined by on site weather data collection. All snails destined for reintroduction should be marked with unique alpha-numeric codes in order to track the survivorship of individual snails. Only snails larger than 10 mm can be marked using the hole-punch and superglue tagging technique. The lab sh ...
A US–Canada Science Symposium, 27–30 November 2012
... of environmental change. Retrospective and prospective studies on the influence of climate change on lobster health will allow us to define if anthropogenic or environmental changes make lobster stocks more vulnerable. A general epidemiological model for lobster diseases is needed to generate testable ...
... of environmental change. Retrospective and prospective studies on the influence of climate change on lobster health will allow us to define if anthropogenic or environmental changes make lobster stocks more vulnerable. A general epidemiological model for lobster diseases is needed to generate testable ...
Experimental conWrmation of multiple community states in a marine
... et al. 2005) because the litmus test for multiple stable states in natural ecosystems must contain several distinct requirements that are rarely met. First, experimental manipulations must be used to show that the same site could be occupied by diVerent self-replacing communities (Peterson 1984). In ...
... et al. 2005) because the litmus test for multiple stable states in natural ecosystems must contain several distinct requirements that are rarely met. First, experimental manipulations must be used to show that the same site could be occupied by diVerent self-replacing communities (Peterson 1984). In ...
Evolution of hematophagous habit in Triatominae (Heteroptera
... Dusenbery 2001; Figure 1). In addition to considering the adaptive value of certain morphological, physiological, and behavioral traits associated with this habit, it is necessary to take into consideration how the physical and chemical laws that have governed the universe's functioning made possibl ...
... Dusenbery 2001; Figure 1). In addition to considering the adaptive value of certain morphological, physiological, and behavioral traits associated with this habit, it is necessary to take into consideration how the physical and chemical laws that have governed the universe's functioning made possibl ...
Draft ISSAP LtD
... Monitoring and research on the Long-tailed Duck have been undertaken in key parts of the flyways of this species. However, this is generally limited both spatially and temporally, and the Long-tailed Duck remains relatively little-studied. The combination of remote Arctic and sub-Arctic breeding are ...
... Monitoring and research on the Long-tailed Duck have been undertaken in key parts of the flyways of this species. However, this is generally limited both spatially and temporally, and the Long-tailed Duck remains relatively little-studied. The combination of remote Arctic and sub-Arctic breeding are ...
Widespread mesopredator effects after wolf extirpation Biological
... similarity of the two species, dietary overlap, and a difference in body sizes of a factor between 2 and 5 (Donadio and Buskirk, 2006). This ratio of body sizes predisposes wolves and coyotes to a high likelihood of interference competition, including interspecific killing (Donadio and Buskirk, 2006) ...
... similarity of the two species, dietary overlap, and a difference in body sizes of a factor between 2 and 5 (Donadio and Buskirk, 2006). This ratio of body sizes predisposes wolves and coyotes to a high likelihood of interference competition, including interspecific killing (Donadio and Buskirk, 2006) ...
linking fungal diversity and community dynamics to terrestrial
... that fungal decomposers are abundant in many terrestrial ecosystems, but their biomass may be poorly represented in freshwater and marine environments, including sediments (Jørgensen & Stepanauskas, 2009). The advantages of the hyphal growth form over the unicellular growth form in terrestrial ecosy ...
... that fungal decomposers are abundant in many terrestrial ecosystems, but their biomass may be poorly represented in freshwater and marine environments, including sediments (Jørgensen & Stepanauskas, 2009). The advantages of the hyphal growth form over the unicellular growth form in terrestrial ecosy ...
LATITUDINAL GRADIENTS OF BIODIVERSITY: Pattern, Process
... quadrats decreases as latitude increases, creating a systematic bias that confounds measures of area and latitude. Even quadrats based on linear dimensions differ in the amount of land they contain because most coastal quadrats will not be full of land (Rosenzweig 1995). Consequently it is difficult ...
... quadrats decreases as latitude increases, creating a systematic bias that confounds measures of area and latitude. Even quadrats based on linear dimensions differ in the amount of land they contain because most coastal quadrats will not be full of land (Rosenzweig 1995). Consequently it is difficult ...
Muscle enzyme activities in a deep-sea squaloid shark
... (pH 8.0), 0.1 mM DTNB and 0.3 mM acetyl CoA. The reaction was initiated with 0.5 mM oxaloacetate. Malate dehydrogenase (E.C 1.1.1.37). 50 mM imidazole (pH 7.4) and 0.2 mM NADH. The reaction was initiated with 1.0 mM oxaloacetate. Alanine aminotransferase (E.C. 2.6.1.2). 50 mM imidazole (pH 7.4), 200 ...
... (pH 8.0), 0.1 mM DTNB and 0.3 mM acetyl CoA. The reaction was initiated with 0.5 mM oxaloacetate. Malate dehydrogenase (E.C 1.1.1.37). 50 mM imidazole (pH 7.4) and 0.2 mM NADH. The reaction was initiated with 1.0 mM oxaloacetate. Alanine aminotransferase (E.C. 2.6.1.2). 50 mM imidazole (pH 7.4), 200 ...
Recovery Plan for Southern Brown Bandicoot
... ensuring that future development is carried out in a way that does not impact significantly on known populations through provision of environmental assessment guidelines; (vi) undertaking further survey, and (vii) raising community awareness of the species and involving public interest groups in var ...
... ensuring that future development is carried out in a way that does not impact significantly on known populations through provision of environmental assessment guidelines; (vi) undertaking further survey, and (vii) raising community awareness of the species and involving public interest groups in var ...
Kreb01.pdf
... these seem more likely to be modifying influences than primary causes. Disease and parasitism are two ecological factors that might affect hare populations but do not seem to be an essential cause of cycles. Parasite loads, for example, might cause hares to be in poor condition and therefore more su ...
... these seem more likely to be modifying influences than primary causes. Disease and parasitism are two ecological factors that might affect hare populations but do not seem to be an essential cause of cycles. Parasite loads, for example, might cause hares to be in poor condition and therefore more su ...
The meaning of functional trait composition of food webs for
... the functional structure of animal communities. Quantitative methods have been derived mostly for plant ecology, but it is now common to characterize the functional composition of various systems such as soils, coral reefs, pelagic food webs or terrestrial vertebrate communities. With the everincrea ...
... the functional structure of animal communities. Quantitative methods have been derived mostly for plant ecology, but it is now common to characterize the functional composition of various systems such as soils, coral reefs, pelagic food webs or terrestrial vertebrate communities. With the everincrea ...
The meaning of functional trait composition of food webs for
... the functional structure of animal communities. Quantitative methods have been derived mostly for plant ecology, but it is now common to characterize the functional composition of various systems such as soils, coral reefs, pelagic food webs or terrestrial vertebrate communities. With the everincrea ...
... the functional structure of animal communities. Quantitative methods have been derived mostly for plant ecology, but it is now common to characterize the functional composition of various systems such as soils, coral reefs, pelagic food webs or terrestrial vertebrate communities. With the everincrea ...
From tameness to wariness: chemical recognition of snake
... The snakes were placed into the corresponding terrarium 24 h before the beginning of the experiment, and were placed inside them once again during the extra time between trials of other treatments, closing the occlusive plastic cover of the terrarium to avoid odour loss. Each snake was removed from ...
... The snakes were placed into the corresponding terrarium 24 h before the beginning of the experiment, and were placed inside them once again during the extra time between trials of other treatments, closing the occlusive plastic cover of the terrarium to avoid odour loss. Each snake was removed from ...
Representations of the ecological niche
... conditions, in ecology called categories (from the ‘n-category theory’), to construct a hypervolume in multidimensional space (see §2.3). In ontology terminology, the ‘category’ is a combination of a quality/feature/property and its value(s), henceforth called condition to avoid misinterpretation. E ...
... conditions, in ecology called categories (from the ‘n-category theory’), to construct a hypervolume in multidimensional space (see §2.3). In ontology terminology, the ‘category’ is a combination of a quality/feature/property and its value(s), henceforth called condition to avoid misinterpretation. E ...
The characteristics and success of vertebrate translocations within
... successful), followed in order by mainland sites fenced to exclude predators (59% successful), islands without foxes but with cats (56% successful), and unfenced mainland sites (53% successful). The differences would be greater if data were further portioned into “critical weight range” species and ...
... successful), followed in order by mainland sites fenced to exclude predators (59% successful), islands without foxes but with cats (56% successful), and unfenced mainland sites (53% successful). The differences would be greater if data were further portioned into “critical weight range” species and ...
report - Wildlife Research and Management
... order by mainland sites fenced to exclude predators (59% successful), islands without foxes but with cats (56% successful), and unfenced mainland sites (53% successful). The differences would be greater if data were further portioned into “critical weight range” species and non-critical weight range ...
... order by mainland sites fenced to exclude predators (59% successful), islands without foxes but with cats (56% successful), and unfenced mainland sites (53% successful). The differences would be greater if data were further portioned into “critical weight range” species and non-critical weight range ...
Integrating animal temperament within ecology and evolution
... traits. F1 and F2 represent two different biological functions. The second level is composed of behavioural traits (Bs) involved in each function. The next level is composed of neurophysiological (Ns; e.g., hormones, neurotransmitters, neuromodulators) and structural (e.g., neuronal structures, musc ...
... traits. F1 and F2 represent two different biological functions. The second level is composed of behavioural traits (Bs) involved in each function. The next level is composed of neurophysiological (Ns; e.g., hormones, neurotransmitters, neuromodulators) and structural (e.g., neuronal structures, musc ...
Snuffbox Epioblasma triquetra
... Snuffbox is a small species with separate sexes and is known to live at least 10 years. It is a long-term brooder: spawning occurs in the summer and the larvae (called glochidia) are released the following May-June. The glochidia are small- to mediumsized, hookless, and attach to the gills of their ...
... Snuffbox is a small species with separate sexes and is known to live at least 10 years. It is a long-term brooder: spawning occurs in the summer and the larvae (called glochidia) are released the following May-June. The glochidia are small- to mediumsized, hookless, and attach to the gills of their ...