Predator interactions, mesopredator release and biodiversity
... commercial industries such as fisheries (Baum & Worm 2009) and threatening vulnerable prey species (Polis & Holt 1992). Mesopredator outbreaks have the potential to lead to extinction of some prey, especially those that are susceptible because they have low population growth rates or live in situati ...
... commercial industries such as fisheries (Baum & Worm 2009) and threatening vulnerable prey species (Polis & Holt 1992). Mesopredator outbreaks have the potential to lead to extinction of some prey, especially those that are susceptible because they have low population growth rates or live in situati ...
Updated status report for the Vancouver Island marmot
... year, older animals often display a variegated fur pattern. The species also has atypical skull morphology (Cardini et al. 2005), unique vocalizations (Heard 1977), and high levels of sociality (Blumstein 1999, Blumstein et al. 2001). Genetic description M. vancouverensis is closely related to the h ...
... year, older animals often display a variegated fur pattern. The species also has atypical skull morphology (Cardini et al. 2005), unique vocalizations (Heard 1977), and high levels of sociality (Blumstein 1999, Blumstein et al. 2001). Genetic description M. vancouverensis is closely related to the h ...
pollination syndromes and floral specialization
... state of having a small number of similar species of pollinators. For this static variable, the reference point is either another contemporary population (such as a coflowering plant) or a theoretical state (such as the perfectly even use of resources embodied in most indices of niche breadth). With ...
... state of having a small number of similar species of pollinators. For this static variable, the reference point is either another contemporary population (such as a coflowering plant) or a theoretical state (such as the perfectly even use of resources embodied in most indices of niche breadth). With ...
Indirect effects of invasive species affecting the population structure
... interactions. Thus, invaders may function as additional food source (Bulleri et al. 2005, Carlsson et al. 2009) or may provide protection to native biota (Wonham et al. 2005, Severns and Warren 2008). In addition, there may be more subtle effects caused by indirect interactions between invaders and ...
... interactions. Thus, invaders may function as additional food source (Bulleri et al. 2005, Carlsson et al. 2009) or may provide protection to native biota (Wonham et al. 2005, Severns and Warren 2008). In addition, there may be more subtle effects caused by indirect interactions between invaders and ...
Predator interactions, mesopredator release and biodiversity
... commercial industries such as fisheries (Baum & Worm 2009) and threatening vulnerable prey species (Polis & Holt 1992). Mesopredator outbreaks have the potential to lead to extinction of some prey, especially those that are susceptible because they have low population growth rates or live in situati ...
... commercial industries such as fisheries (Baum & Worm 2009) and threatening vulnerable prey species (Polis & Holt 1992). Mesopredator outbreaks have the potential to lead to extinction of some prey, especially those that are susceptible because they have low population growth rates or live in situati ...
Wolf-Cougar Co-occurrence in the Central Canadian Rocky Mountains
... However, there is also potential for wolves and cougars to have limited competition on a landscape. Because these types of studies are observational, there may be numerous confounding factors that are left unaccounted for. Some studies’ results show that wolves and cougars can live sympatrically, wi ...
... However, there is also potential for wolves and cougars to have limited competition on a landscape. Because these types of studies are observational, there may be numerous confounding factors that are left unaccounted for. Some studies’ results show that wolves and cougars can live sympatrically, wi ...
click here for pdf. - The Rewilding Institute
... subordinate wolves, try to prevent intrusions into the pack’s territory by other wolves, and generally lead the family group in hunting (Mech 1970). Population Structure and Viability. A viable wolf population requires an area of some minimum size, adequate prey, and security from excessive human ex ...
... subordinate wolves, try to prevent intrusions into the pack’s territory by other wolves, and generally lead the family group in hunting (Mech 1970). Population Structure and Viability. A viable wolf population requires an area of some minimum size, adequate prey, and security from excessive human ex ...
AZA Guidelines for Reintroduction of Animals
... social imprinting or excessive dependency on humans. When necessary, reintroduction candidates should be trained in essential behavioral skills, e.g. food recognition, food-finding, predator avoidance, shelter-seeking, locomotion, orientation and migratory traditions, and should be exposed to enviro ...
... social imprinting or excessive dependency on humans. When necessary, reintroduction candidates should be trained in essential behavioral skills, e.g. food recognition, food-finding, predator avoidance, shelter-seeking, locomotion, orientation and migratory traditions, and should be exposed to enviro ...
ESA 2010 handbook - Ecological Society of Australia
... it did not suddenly rise out of nowhere. There is a long history of pioneering ecological study in Australia and a strong intellectual heritage of rigorous and innovative research in what is now regarded as ecology. On this foundation the Society was built and many of the early activities and public ...
... it did not suddenly rise out of nowhere. There is a long history of pioneering ecological study in Australia and a strong intellectual heritage of rigorous and innovative research in what is now regarded as ecology. On this foundation the Society was built and many of the early activities and public ...
Status of Whooping Crane in Alberta 2001
... clutch size of two eggs, although one or three eggs are possible. Only one young usually survives to maturity (Edwards et al. 1994). Juveniles vary in colour from rust to cinnamon (Peterson 1990) and are capable of flight at 80 to 90 days (Edwards et al. 1994). ...
... clutch size of two eggs, although one or three eggs are possible. Only one young usually survives to maturity (Edwards et al. 1994). Juveniles vary in colour from rust to cinnamon (Peterson 1990) and are capable of flight at 80 to 90 days (Edwards et al. 1994). ...
Status of the Whooping Crane in Alberta
... clutch size of two eggs, although one or three eggs are possible. Only one young usually survives to maturity (Edwards et al. 1994). Juveniles vary in colour from rust to cinnamon (Peterson 1990) and are capable of flight at 80 to 90 days (Edwards et al. 1994). ...
... clutch size of two eggs, although one or three eggs are possible. Only one young usually survives to maturity (Edwards et al. 1994). Juveniles vary in colour from rust to cinnamon (Peterson 1990) and are capable of flight at 80 to 90 days (Edwards et al. 1994). ...
Do delayed effects of overgrazing explain population cycles in voles?
... mature if their testes were scrotal rather than abdominal. Females were considered reproductive if they were lactating (enlarged mammary glands) or pregnant (visible embryos). The number of embryos was used as an estimate of litter size. When we compared the size of organs between voles captured fro ...
... mature if their testes were scrotal rather than abdominal. Females were considered reproductive if they were lactating (enlarged mammary glands) or pregnant (visible embryos). The number of embryos was used as an estimate of litter size. When we compared the size of organs between voles captured fro ...
American Journal of Botan
... engaged (Dyer et al., 2010). Some species may disproportionately facilitate biodiversity through their interactions with other species. In most ecosystems, species interactions form a vast network whose nodes and links are variable in space and time (Ings et al., 2009). For example, Petanidou et al. ...
... engaged (Dyer et al., 2010). Some species may disproportionately facilitate biodiversity through their interactions with other species. In most ecosystems, species interactions form a vast network whose nodes and links are variable in space and time (Ings et al., 2009). For example, Petanidou et al. ...
Sequence Alignment
... alignment is represented as a score and the scores are ranked. Scoring matrices are used to calculate the score of the alignment base by base (DNA) or amino acid by amino acid (protein). The alignment score will be the sum of the scores for each position. ...
... alignment is represented as a score and the scores are ranked. Scoring matrices are used to calculate the score of the alignment base by base (DNA) or amino acid by amino acid (protein). The alignment score will be the sum of the scores for each position. ...
ppt檔案
... IPM, a program of carefully selected control techniques tailored to address each particular insect pest problem. Insect numbers are monitored carefully and population models are used to predict irruptions of the pest. Insecticides are used only sparingly and locally in response to this information. ...
... IPM, a program of carefully selected control techniques tailored to address each particular insect pest problem. Insect numbers are monitored carefully and population models are used to predict irruptions of the pest. Insecticides are used only sparingly and locally in response to this information. ...
On the structural stability of mutualistic systems
... coexistence of species—the existence of an equilibrium point that is feasible and dynamically stable. For instance, in our previous two-species competition system there is a restricted area in the parameter space of intrinsic growth rates that leads to a globally stable and feasible solution as long ...
... coexistence of species—the existence of an equilibrium point that is feasible and dynamically stable. For instance, in our previous two-species competition system there is a restricted area in the parameter space of intrinsic growth rates that leads to a globally stable and feasible solution as long ...
Ecological Effects of Invasive Arthropod Generalist Predators
... Shipping traffic is responsible for the majority of accidental AGP introductions. For example, the ground beetle Pterostichus melanarius, a European native that has invaded a wide swath of North America, is believed to have arrived in soil ballast dumped from ships (Niemelä et al. 1997). Similarly, ...
... Shipping traffic is responsible for the majority of accidental AGP introductions. For example, the ground beetle Pterostichus melanarius, a European native that has invaded a wide swath of North America, is believed to have arrived in soil ballast dumped from ships (Niemelä et al. 1997). Similarly, ...
montane, heath and bog habitats - Cairngorms National Park Authority
... over-exploitation is a significant issue for many species. • Both undergazing and overgrazing by deer and sheep or lack of muirburn and excessive muirburn can have profound negative biodiversity implications on habitats and their associated species, e.g. inappropriate grazing levels changing moorlan ...
... over-exploitation is a significant issue for many species. • Both undergazing and overgrazing by deer and sheep or lack of muirburn and excessive muirburn can have profound negative biodiversity implications on habitats and their associated species, e.g. inappropriate grazing levels changing moorlan ...
temporospatial distributions of elk, mule deer, and cattle: resource
... study area indicated that the population was increasing; however, this increase was well below the maximum finite rate of growth (l 5 1.46) reported for elk (Kimball and Wolfe 1974). Thus, some resources may have been in short supply, and competition among large herbivores was likely. Definitions.—W ...
... study area indicated that the population was increasing; however, this increase was well below the maximum finite rate of growth (l 5 1.46) reported for elk (Kimball and Wolfe 1974). Thus, some resources may have been in short supply, and competition among large herbivores was likely. Definitions.—W ...
Cultivation-based and molecular approaches to characterisation of
... other strains in two genera, Nitrosomonas and Nitrosospira, within the β-proteobacteria, Nitrosospira incorporating the genera Nitrosovibrio and Nitrosolobus. These sequence data were used to construct primers (McCaig et al. 1994) for the specific amplification of ammonia oxidiser 16S rRNA genes fro ...
... other strains in two genera, Nitrosomonas and Nitrosospira, within the β-proteobacteria, Nitrosospira incorporating the genera Nitrosovibrio and Nitrosolobus. These sequence data were used to construct primers (McCaig et al. 1994) for the specific amplification of ammonia oxidiser 16S rRNA genes fro ...
The interaction between habitat conditions, ecosystem
... environmental indicators has been developed by technical and scientific experts for each of the seven reporting themes: Human Settlements; Biodiversity; The Atmosphere; The Land; Inland Waters; Estuaries and the Sea (now Coasts and Oceans); and Natural and Cultural Heritage. The State of the Environ ...
... environmental indicators has been developed by technical and scientific experts for each of the seven reporting themes: Human Settlements; Biodiversity; The Atmosphere; The Land; Inland Waters; Estuaries and the Sea (now Coasts and Oceans); and Natural and Cultural Heritage. The State of the Environ ...
Contents Organising committee - New Zealand Ecological Society
... the ecology of the two countries diverged. Such differences between two land masses creates great opportunities for researchers to easily ‘step outside’ their paradigms associated with their own country. Sharing our research results from two separate countries is likely to allow us to think ‘outside ...
... the ecology of the two countries diverged. Such differences between two land masses creates great opportunities for researchers to easily ‘step outside’ their paradigms associated with their own country. Sharing our research results from two separate countries is likely to allow us to think ‘outside ...
Invasive ants alter the phylogenetic structure on native communities
... Matt Fitzpatrick has been a huge help with providing me with data and reading grants and paper drafts. Friends and colleagues at UT have been a great source of exchange and mutual learning. Martin Nunez, Mariano Rodriguez-Cabal and Lara Souza were extremely resourceful and interactions with them mad ...
... Matt Fitzpatrick has been a huge help with providing me with data and reading grants and paper drafts. Friends and colleagues at UT have been a great source of exchange and mutual learning. Martin Nunez, Mariano Rodriguez-Cabal and Lara Souza were extremely resourceful and interactions with them mad ...
SOLWAY EUROPEAN MARINE SITE Natural England and Scottish
... This document provides Natural England’s and Scottish Natural Heritage’s joint advice to other relevant authorities as to, and in support of, (a) the conservation objectives and (b) any operations which may cause deterioration of natural habitats or the habitats of species, or disturbance of species ...
... This document provides Natural England’s and Scottish Natural Heritage’s joint advice to other relevant authorities as to, and in support of, (a) the conservation objectives and (b) any operations which may cause deterioration of natural habitats or the habitats of species, or disturbance of species ...