Invasive Eurasian ruffe (
... species specific and may remove high numbers of native species. This method also does not give an accurate representation of ruffe populations, with overestimates being common (Prchalova et al. 2007). Even when throwing back non-target species, high mortality rates are likely to result from injuries ...
... species specific and may remove high numbers of native species. This method also does not give an accurate representation of ruffe populations, with overestimates being common (Prchalova et al. 2007). Even when throwing back non-target species, high mortality rates are likely to result from injuries ...
THE ECOLOGY AND MANAGEMENT
... 1955; NIELSON, 1957). ;A.ttempts to appraise results obtained by the transect method were reported by EDWARDS (1952) in British Columbia, and by TROTTER (1958) and FOWLE and LUMSDEN (1958) in Ontario. The latter indicated that the results of transect surveys on the relatively close forest cover of O ...
... 1955; NIELSON, 1957). ;A.ttempts to appraise results obtained by the transect method were reported by EDWARDS (1952) in British Columbia, and by TROTTER (1958) and FOWLE and LUMSDEN (1958) in Ontario. The latter indicated that the results of transect surveys on the relatively close forest cover of O ...
Feeding strategies and resource partitioning of whitefish
... geography, a very important factor in shaping communities. Since competition is difficult to prove directly, resource partitioning is frequently used as an indication of the presence of interspecific competition. Over the last 20 years perch abundance in the Pasvik watercourse has increased immensel ...
... geography, a very important factor in shaping communities. Since competition is difficult to prove directly, resource partitioning is frequently used as an indication of the presence of interspecific competition. Over the last 20 years perch abundance in the Pasvik watercourse has increased immensel ...
the ecological impact of invasive cane toads (bufo marinus) in
... review of these studies suggests that a single pathway (lethal toxic ingestion of toads by frog-eating predators) is the major single mechanism of impact, but that the magnitude of impact varies dramatically among predator taxa, and through space and time. Populations of large predators (varanid and ...
... review of these studies suggests that a single pathway (lethal toxic ingestion of toads by frog-eating predators) is the major single mechanism of impact, but that the magnitude of impact varies dramatically among predator taxa, and through space and time. Populations of large predators (varanid and ...
DISTRIBUTION AND ECOLOGY OF LOWLAND PINE MARTEN
... the hypothesis of Alpine or trans-Alpine populations as sources of pine marten expansion. Based on presence-absence data, Species Distribution Models were applied to identify the main factors driving the colonisation by the pine marten of the western River Po plain and predict its potential south- a ...
... the hypothesis of Alpine or trans-Alpine populations as sources of pine marten expansion. Based on presence-absence data, Species Distribution Models were applied to identify the main factors driving the colonisation by the pine marten of the western River Po plain and predict its potential south- a ...
Species Status Assessment Report for the Rio Grande Cutthroat Trout
... that addresses viability in terms of the subspecies’ resiliency, redundancy, and representation. As a result we developed two distinct modules. Module 1 estimates the probability of persistence for each Rio Grande trout population by GMU for 3 time periods (2023, 2040, and 2080) under a range of co ...
... that addresses viability in terms of the subspecies’ resiliency, redundancy, and representation. As a result we developed two distinct modules. Module 1 estimates the probability of persistence for each Rio Grande trout population by GMU for 3 time periods (2023, 2040, and 2080) under a range of co ...
Scientific Program
... the tropical world. The ant is an Ectatomma ruidum which I chose because of its role in numerous ant-plant interactions, from plant defense to seed dispersal. The lemurid is a fat-tailed dwarf lemur (Cheirogaleus medius) chosen to represent the biota of Madagascar. Orchids are pan-tropical in their ...
... the tropical world. The ant is an Ectatomma ruidum which I chose because of its role in numerous ant-plant interactions, from plant defense to seed dispersal. The lemurid is a fat-tailed dwarf lemur (Cheirogaleus medius) chosen to represent the biota of Madagascar. Orchids are pan-tropical in their ...
Departmental Brief: Dungeness, Romney Marsh and Rye Bay
... 1. Assessment against SPA selection guidelines The UK SPA selection guidelines require that SPA identification should be determined in two stages (Stroud et al., 2001). The first stage is intended to identify areas that are important for a significant proportion of birds on a regular basis (Stage 1 ...
... 1. Assessment against SPA selection guidelines The UK SPA selection guidelines require that SPA identification should be determined in two stages (Stroud et al., 2001). The first stage is intended to identify areas that are important for a significant proportion of birds on a regular basis (Stage 1 ...
Peer-reviewed Article PDF
... of 437 amino acid residues are organized into two main subunits, each consisting of 20 alpha-helices. These alpha helices compose approximately 75% of citrate synthase’s tertiary structure. Between these two subunits, a single cleft exists containing the active site. Two binding sites can be found t ...
... of 437 amino acid residues are organized into two main subunits, each consisting of 20 alpha-helices. These alpha helices compose approximately 75% of citrate synthase’s tertiary structure. Between these two subunits, a single cleft exists containing the active site. Two binding sites can be found t ...
Survivorship and reproduction of translocated Tipton kangaroo rats
... initial denaturation step of 95°C for 15 min, followed by 3 cycles of 94°C for 30 s, 54°C for 20 s, and 72°C for 5 s, followed by 33 cycles of 94°C for 15 s, 54°C for 20 s, and 72°C for 1 s. A final extension step of 72°C for 30 min was also added. PCR products were electrophoresed on a 1.5% agarose ...
... initial denaturation step of 95°C for 15 min, followed by 3 cycles of 94°C for 30 s, 54°C for 20 s, and 72°C for 5 s, followed by 33 cycles of 94°C for 15 s, 54°C for 20 s, and 72°C for 1 s. A final extension step of 72°C for 30 min was also added. PCR products were electrophoresed on a 1.5% agarose ...
Alberta Limber Pine Recovery Plan 2014-2019
... Albertans are fortunate to share their province with an impressive diversity of wild species. Populations of most species of plants and animals are healthy and secure. However, a small number of species are either naturally rare or are now imperiled because of human activities. Recovery plans establ ...
... Albertans are fortunate to share their province with an impressive diversity of wild species. Populations of most species of plants and animals are healthy and secure. However, a small number of species are either naturally rare or are now imperiled because of human activities. Recovery plans establ ...
Conservation Strategy Updated 3-16-17
... Biologists do not believe that NEC interbreed with the eastern cottontail; NEC and eastern cottontail hybrids, if born, apparently do not survive. Taxonomists have recognized the New England cottontail as a separate species since the 1990s, when it was split off from the Appalachian cottontail (Sylv ...
... Biologists do not believe that NEC interbreed with the eastern cottontail; NEC and eastern cottontail hybrids, if born, apparently do not survive. Taxonomists have recognized the New England cottontail as a separate species since the 1990s, when it was split off from the Appalachian cottontail (Sylv ...
the ecology and microbiology of Vibrio cholerae
... teria) and other vectors plays a major role in creating environmental conditions, including temperature and pathogenic V. cholerae by conveying genes involved in osmolarity (McDougald et al. 1998). When a bacterial the colonization of humans and the production of cholera cell enters a VBNC state, it ...
... teria) and other vectors plays a major role in creating environmental conditions, including temperature and pathogenic V. cholerae by conveying genes involved in osmolarity (McDougald et al. 1998). When a bacterial the colonization of humans and the production of cholera cell enters a VBNC state, it ...
Allee effects in biological invasions
... the population is subject to an Allee effect. The models we have discussed describe space as continuous. Yet, in many cases, such as insects on host plants, or on clumps of plants as in meadows, space may be more accurately described as discrete patches. Discrete space versions of continuous time (R ...
... the population is subject to an Allee effect. The models we have discussed describe space as continuous. Yet, in many cases, such as insects on host plants, or on clumps of plants as in meadows, space may be more accurately described as discrete patches. Discrete space versions of continuous time (R ...
Enhancing biological control in apple orchards Jaume Lordan Sanahuja Dipòsit Legal: L.1233-2014
... general aim of this thesis was to know the presence of earwigs within Mediterranean apple orchards, their phenology, and to assess native ecological infrastructures that would improve the biological control through enhancement of beneficials. Interaction of woolly apple aphid Eriosoma lanigerum Haus ...
... general aim of this thesis was to know the presence of earwigs within Mediterranean apple orchards, their phenology, and to assess native ecological infrastructures that would improve the biological control through enhancement of beneficials. Interaction of woolly apple aphid Eriosoma lanigerum Haus ...
Africa`s Giraffe - Giraffe Conservation Foundation
... and tan coloured, and are broadly surrounded by a creamy-colour. There are no markings on their lower legs. ...
... and tan coloured, and are broadly surrounded by a creamy-colour. There are no markings on their lower legs. ...
giraffa vol 5(1) front page2 - Giraffe Conservation Foundation
... Giraffe Indaba delegates take a break to mark this historical event with a team photograph. and certainly as a result of the forums, that there remain a worryingly large And it could not have be ...
... Giraffe Indaba delegates take a break to mark this historical event with a team photograph. and certainly as a result of the forums, that there remain a worryingly large And it could not have be ...
Bison as Keystone Herbivores on the Great Plains
... that are not recognized. There are as many as 80 breeds available for production in the United States. Each breed has distinctive characteristics that are used to develop herds that are best suited for certain objectives and environments. Most of the breeding efforts have been largely associated wit ...
... that are not recognized. There are as many as 80 breeds available for production in the United States. Each breed has distinctive characteristics that are used to develop herds that are best suited for certain objectives and environments. Most of the breeding efforts have been largely associated wit ...
Interactions between feral cats, foxes, native carnivores, and rabbits
... cats and foxes shift consumption to the next most abundant prey item (e.g. invertebrates, reptiles, or birds) in the absence or decline of rabbits. There is no evidence that as a result of a decrease in rabbits there is an increase in predation rates on populations of rare or endangered species. The ...
... cats and foxes shift consumption to the next most abundant prey item (e.g. invertebrates, reptiles, or birds) in the absence or decline of rabbits. There is no evidence that as a result of a decrease in rabbits there is an increase in predation rates on populations of rare or endangered species. The ...
Conservation of Spiders (Araneae) in the Western Australian
... I examine the first question by assessing if the spider assemblage displays a successional pattern, and if this is deterministic (i.e. if the assemblage converges to a long unburnt state). There were significant non-linear changes in species richness and evenness, along with marked changes in compo ...
... I examine the first question by assessing if the spider assemblage displays a successional pattern, and if this is deterministic (i.e. if the assemblage converges to a long unburnt state). There were significant non-linear changes in species richness and evenness, along with marked changes in compo ...
Ocelot CH Petition - WildEarth Guardians
... likely because they are at their carrying capacity and have been for years. Resident Ocelots may hold onto their territories, and produce young, but dispersing animals often perish because they simply have nowhere to go. As a result, these small, stranded populations suffer from significant road mor ...
... likely because they are at their carrying capacity and have been for years. Resident Ocelots may hold onto their territories, and produce young, but dispersing animals often perish because they simply have nowhere to go. As a result, these small, stranded populations suffer from significant road mor ...
Journal of the Society for the Study and
... is an obvious ‘winner’ in terms of number of articles: Fittingly, Lutra most often publishes articles about Lutra lutra! In total Lutra has published 40 articles about the otter, exactly twice the number of articles published on the second species in the ranking list, the beaver, with 20 papers over ...
... is an obvious ‘winner’ in terms of number of articles: Fittingly, Lutra most often publishes articles about Lutra lutra! In total Lutra has published 40 articles about the otter, exactly twice the number of articles published on the second species in the ranking list, the beaver, with 20 papers over ...
namibian cheetah conservation strategy
... times. What was formerly large expanses of waterless grassland has been criss-crossed by fences, watered by boreholes, and thickly covered with bush. Because these changes have actually benefited many ungulate species, leading to an increase in their number, the cheetah has benefited as well. The fa ...
... times. What was formerly large expanses of waterless grassland has been criss-crossed by fences, watered by boreholes, and thickly covered with bush. Because these changes have actually benefited many ungulate species, leading to an increase in their number, the cheetah has benefited as well. The fa ...
Durham E-Theses The impact of land reform in Zimbabwe on
... areas. Habitat loss and fragmentation, alongside poaching, appeared to be the main mechanisms affecting changes in carnivore abundance. Interviews revealed that in the resettlement LUT, rates of livestock losses to large carnivores were perceived to be greater than in the communal LUT, and attitudes ...
... areas. Habitat loss and fragmentation, alongside poaching, appeared to be the main mechanisms affecting changes in carnivore abundance. Interviews revealed that in the resettlement LUT, rates of livestock losses to large carnivores were perceived to be greater than in the communal LUT, and attitudes ...