fishery benefits of fully protected marine reserves: why habitat and
... Much of our expectations of marine reserve performance come from modeling work (e.g., Holland and Brazee [1996], Guènette and Pitcher [1999], Mangel [2000a]). This is because there are still very few fully protected reserves established at sufficiently large scales to gather empirical data on how the ...
... Much of our expectations of marine reserve performance come from modeling work (e.g., Holland and Brazee [1996], Guènette and Pitcher [1999], Mangel [2000a]). This is because there are still very few fully protected reserves established at sufficiently large scales to gather empirical data on how the ...
ppt - Oregon Department of Fish and Wildlife
... Provide relief for livestock producers from expected wolf depredations Address impacts to deer and elk populations Flexibility in managing wolves while providing ...
... Provide relief for livestock producers from expected wolf depredations Address impacts to deer and elk populations Flexibility in managing wolves while providing ...
landscape connectivity: a return to the basics
... successional stage of the intervening habitat (Robichaud et al. 2002). Thus, a land manager charged with protecting a given volume of timber within a landscape might be advised to use that allocation to protect areas that serve other functions (e.g. riparian zones) or to increase the sizes of protec ...
... successional stage of the intervening habitat (Robichaud et al. 2002). Thus, a land manager charged with protecting a given volume of timber within a landscape might be advised to use that allocation to protect areas that serve other functions (e.g. riparian zones) or to increase the sizes of protec ...
landscape and edge effects on the distribution of nest
... HSI model basics • Numerical index of habitat suitability on a 0.0 to 1.0 scale • Models can be based on published knowledge, data, expert opinion • Documentation explains the model's structure, data sources, and assumptions • Models should be viewed as hypotheses of species-habitat relationships • ...
... HSI model basics • Numerical index of habitat suitability on a 0.0 to 1.0 scale • Models can be based on published knowledge, data, expert opinion • Documentation explains the model's structure, data sources, and assumptions • Models should be viewed as hypotheses of species-habitat relationships • ...
Bird Conservation International, page 1 of 9 . © BirdLife International
... rare species for most of the 20th century following the clearance of much of its forest habitat for sugarcane production (Devas 1943). It has been classified as ‘Critically Endangered’ since the first introduction of this highest level of IUCN threat category (BirdLife International 2014). It is res ...
... rare species for most of the 20th century following the clearance of much of its forest habitat for sugarcane production (Devas 1943). It has been classified as ‘Critically Endangered’ since the first introduction of this highest level of IUCN threat category (BirdLife International 2014). It is res ...
Habitat structure, trophic structure and ecosystem
... 2000; Young 2001). Increases in habitat size may result in increased density and diversity because of greater opportunities for specialization or increased likelihood of immigration (MacArthur and Wilson 1967). For example, forest fragmentation in the Amazon results in reduced dung decomposition rat ...
... 2000; Young 2001). Increases in habitat size may result in increased density and diversity because of greater opportunities for specialization or increased likelihood of immigration (MacArthur and Wilson 1967). For example, forest fragmentation in the Amazon results in reduced dung decomposition rat ...
frogs – conservation
... majority of Australian frogs are unique due to Australia’s long isolation. The origin of Australia’s frog fauna can be traced back many millions of years when Australia formed part of a large landmass called Gondwana. Victoria has at least 35 species, all of which belong to one of two frog families; ...
... majority of Australian frogs are unique due to Australia’s long isolation. The origin of Australia’s frog fauna can be traced back many millions of years when Australia formed part of a large landmass called Gondwana. Victoria has at least 35 species, all of which belong to one of two frog families; ...
The effects of landscape fragmentation on
... configuration on species distributions or demography is rare (Betts et al., 2006). This is in striking contrast to the nearly unequivocal support for the negative influences of landscape ...
... configuration on species distributions or demography is rare (Betts et al., 2006). This is in striking contrast to the nearly unequivocal support for the negative influences of landscape ...
Density dependence in ungulates: a review of causes, and concepts
... populations only occasionally reaching K except in unusual environmental situations or under controlled conditions in an experimental setting. Mammals with strong densityindependent characteristics tend to be small, have short life-spans, high reproductive rates, and may reproduce but a single time ...
... populations only occasionally reaching K except in unusual environmental situations or under controlled conditions in an experimental setting. Mammals with strong densityindependent characteristics tend to be small, have short life-spans, high reproductive rates, and may reproduce but a single time ...
Spatial variation and effects of habitat on temperate reef fish
... of distributions of fish at several spatial scales, from meters up to hundreds or thousands of kilometers (e.g., Choat and Ayling, 1987; Doherty, 1987; Fowler et al., 1992; Tolimieri, 1998a; Ault and Johnson, 1998; Connell and Kingsford, 1998; Garcı́aCharton and Pérez-Ruzafa, 2001; Connell, 2002). ...
... of distributions of fish at several spatial scales, from meters up to hundreds or thousands of kilometers (e.g., Choat and Ayling, 1987; Doherty, 1987; Fowler et al., 1992; Tolimieri, 1998a; Ault and Johnson, 1998; Connell and Kingsford, 1998; Garcı́aCharton and Pérez-Ruzafa, 2001; Connell, 2002). ...
Interactions of Life
... Organisms have a variety of habitats. For example, house martins such as the ones shown in Figure 4 sometimes live in meadows or grasslands, but these birds have found a habitat under the eaves of a building. Crickets live in damp, dark places with plenty of plant material and fungi to eat. Skunks l ...
... Organisms have a variety of habitats. For example, house martins such as the ones shown in Figure 4 sometimes live in meadows or grasslands, but these birds have found a habitat under the eaves of a building. Crickets live in damp, dark places with plenty of plant material and fungi to eat. Skunks l ...
West Indian Manatee Carrying Capacity
... warm water capacity, SAV, and available fresh water. For the manatee, these are the only naturally occurring and constantly present limitations to population – or in other words the elements defining CC. The greatest danger of continued mis-classification of the manatee is the inability to actually ...
... warm water capacity, SAV, and available fresh water. For the manatee, these are the only naturally occurring and constantly present limitations to population – or in other words the elements defining CC. The greatest danger of continued mis-classification of the manatee is the inability to actually ...
landscape composition, patch size, and distance to edges
... rates in other systems. Although numerous studies have examined the relationships predicted from other systems, results from studies of ducks have been inconsistent (Clark and Nudds 1991). Some studies found greater nest success or productivity in large patches compared to smaller patches or strip h ...
... rates in other systems. Although numerous studies have examined the relationships predicted from other systems, results from studies of ducks have been inconsistent (Clark and Nudds 1991). Some studies found greater nest success or productivity in large patches compared to smaller patches or strip h ...
Dispersal of Garry Oak Acorns by Steller`s Jays
... Quality of habitat for regeneration of Garry oak was dynamic in our study. Some habitats were good for acorn survival but were poor for seedling survival, and vice versa. Variation in acorn mortality among habitats resulted primarily from predation. Some of this variation was associated with vegetat ...
... Quality of habitat for regeneration of Garry oak was dynamic in our study. Some habitats were good for acorn survival but were poor for seedling survival, and vice versa. Variation in acorn mortality among habitats resulted primarily from predation. Some of this variation was associated with vegetat ...
Document
... retaining territories than squares with records of only one territory; however, our sites ...
... retaining territories than squares with records of only one territory; however, our sites ...
PDF of Text - Klamath Center for Conservation Research
... de la Federacion, May 16, 1994). Wolves were extirpated from the southwestern U.S. by the 1940s (Brown 1983). Between 1977 and 1980, under an agreement between the United States and Mexico, trappers captured five Mexican wolves (Canis lupus baileyi) in the Mexican states of Durango and Chihuahua. Th ...
... de la Federacion, May 16, 1994). Wolves were extirpated from the southwestern U.S. by the 1940s (Brown 1983). Between 1977 and 1980, under an agreement between the United States and Mexico, trappers captured five Mexican wolves (Canis lupus baileyi) in the Mexican states of Durango and Chihuahua. Th ...
Modeling nutrient transport and transformation by pool
... spatial subsidies can be important fluxes of elements into and out of other kinds of freshwater habitats (Regester, Lips & Whiles, 2006; Earl & Semlitsch, 2012; Reinhardt et al., 2013). Seasonal wetlands occur globally and often support high densities of organisms adapted to breeding in ephemeral ha ...
... spatial subsidies can be important fluxes of elements into and out of other kinds of freshwater habitats (Regester, Lips & Whiles, 2006; Earl & Semlitsch, 2012; Reinhardt et al., 2013). Seasonal wetlands occur globally and often support high densities of organisms adapted to breeding in ephemeral ha ...
fluence benthic community assemblages in seagrass Examining how landscapes in
... likely influences the survival of infaunal invertebrates and community structure within the mudflat. Structured habitats such as seagrass beds provide refuge for intermediate predators and allow them to move more freely around estuaries, which can increase their foraging efficiency and reduce competiti ...
... likely influences the survival of infaunal invertebrates and community structure within the mudflat. Structured habitats such as seagrass beds provide refuge for intermediate predators and allow them to move more freely around estuaries, which can increase their foraging efficiency and reduce competiti ...
Habitat complexity: approaches and future directions
... The relationship between habitat complexity and species richness may be universal, as suggested by the role of complexity in determining richness of assemblages throughout the Phanerozoic, with the greatest richness associated with habitat-forming crinoids, bryozoans, and corals (Bambach, 1977; Kies ...
... The relationship between habitat complexity and species richness may be universal, as suggested by the role of complexity in determining richness of assemblages throughout the Phanerozoic, with the greatest richness associated with habitat-forming crinoids, bryozoans, and corals (Bambach, 1977; Kies ...
Conservation and control strategies for the wolf (Canis lupus) in
... to the maximum number of packs that a zone can support and to slight changes in stage specific survival probabilities. In a zoned population, viability is enhanced more by decreasing mortality rates in all classes than by increasing wolf zone size. An alternative to zoning is adaptive management, wh ...
... to the maximum number of packs that a zone can support and to slight changes in stage specific survival probabilities. In a zoned population, viability is enhanced more by decreasing mortality rates in all classes than by increasing wolf zone size. An alternative to zoning is adaptive management, wh ...
Chemicals in Host-Parasitoid and Prey-Predator Relations
... k→ 0 and weakest when k→ ∞ (random). For small k values, the model provides stability, which defines the aggregative response as a stabilizing component, in contrast to the functional response; high values of Th introduce instability. Therefore, according to this model, parasitoids and predators are ...
... k→ 0 and weakest when k→ ∞ (random). For small k values, the model provides stability, which defines the aggregative response as a stabilizing component, in contrast to the functional response; high values of Th introduce instability. Therefore, according to this model, parasitoids and predators are ...
DesertCymopterus
... Desert Cymopterus (Cymopterus deserticola) relatively common in the open sandy habitats where this species is found, it could easily push the fruits along the soil surface, although the fruits probably don’t become airborne (NatureServe 2010). Because of the annual variability in rainfall, the under ...
... Desert Cymopterus (Cymopterus deserticola) relatively common in the open sandy habitats where this species is found, it could easily push the fruits along the soil surface, although the fruits probably don’t become airborne (NatureServe 2010). Because of the annual variability in rainfall, the under ...
Genetic Biodiversity Recommendations of the European Platform for
... organisms of a given taxon can disperse between habitat patches Connectivity: (n) degree to which disjunct populations function as a meta-population Conservation biology: (np) science whose objective is to provide methods and results that can be used by managers to slow or halt the loss of biologica ...
... organisms of a given taxon can disperse between habitat patches Connectivity: (n) degree to which disjunct populations function as a meta-population Conservation biology: (np) science whose objective is to provide methods and results that can be used by managers to slow or halt the loss of biologica ...