Assessment of Canada Lynx Research and
... apparently were displaced by an expanding bobcat population (Parker et al. 1983). Along the same line, Buskirk et al. (2000b) suggested that lynx competition with coyotes in the southern range could be intensified through increased spatial overlap where hard-packed snow trails (i.e., due to snowmobi ...
... apparently were displaced by an expanding bobcat population (Parker et al. 1983). Along the same line, Buskirk et al. (2000b) suggested that lynx competition with coyotes in the southern range could be intensified through increased spatial overlap where hard-packed snow trails (i.e., due to snowmobi ...
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 ...
predation of juvenile crassostrea virginica by two species of mud
... 37%, whereas R. harrisii preyed on 9% of available spat within 96 h. Sizes of spat preyed on ranged from 1–23 mm, but the vast majority of the spat consumed were between 1 mm and 8 mm. Because the hatchery-based restoration program in Maryland typically plants spat within this size range, these two ...
... 37%, whereas R. harrisii preyed on 9% of available spat within 96 h. Sizes of spat preyed on ranged from 1–23 mm, but the vast majority of the spat consumed were between 1 mm and 8 mm. Because the hatchery-based restoration program in Maryland typically plants spat within this size range, these two ...
Strategy for BCR 14PEI and MBU 12PEI
... strategies also establish standard conservation planning methods across Canada, and fill gaps, as previous regional plans do not cover all areas of Canada or all bird groups. These strategies present a compendium of required actions based on the general philosophy of achieving scientifically based d ...
... strategies also establish standard conservation planning methods across Canada, and fill gaps, as previous regional plans do not cover all areas of Canada or all bird groups. These strategies present a compendium of required actions based on the general philosophy of achieving scientifically based d ...
The importance of predation, cannibalism and resources for
... has been shown to increase the mortality in crayfish that had been injected with white spot syndrome virus (WSSV), which indicates that high temperatures can negatively affect the disease pathogenicity in crayfish (Jiravanichpaisal et al. 2004). In temperate regions the growth period is limited to ...
... has been shown to increase the mortality in crayfish that had been injected with white spot syndrome virus (WSSV), which indicates that high temperatures can negatively affect the disease pathogenicity in crayfish (Jiravanichpaisal et al. 2004). In temperate regions the growth period is limited to ...
Ingredients for protist coexistence: competition, endosymbiosis and
... 1. The interaction between mutualism, facilitation or interference and exploitation competition is of major interest as it may govern species coexistence. However, the interplay of these mechanisms has received little attention. This issue dates back to Gause, who experimentally explored competition ...
... 1. The interaction between mutualism, facilitation or interference and exploitation competition is of major interest as it may govern species coexistence. However, the interplay of these mechanisms has received little attention. This issue dates back to Gause, who experimentally explored competition ...
- California State University
... space to become established and develop into a divergent assemblage. Once started, a divergent assemblage may be maintained by positive feedbacks and "ecological engineering" within the community (Peterson 1984, Bertness and Callaway 1994, Jones et al. 1994). Overall, evidence from historical studie ...
... space to become established and develop into a divergent assemblage. Once started, a divergent assemblage may be maintained by positive feedbacks and "ecological engineering" within the community (Peterson 1984, Bertness and Callaway 1994, Jones et al. 1994). Overall, evidence from historical studie ...
The Scrub Management Handbook - Natural England publications
... contents of this Handbook have been drawn from a very wide range of sources and contributors representing an enormous diversity of experiences and views. Some of the information has been drawn from anecdotal observation. We have done our best to present a synopsis of scrub management techniques that ...
... contents of this Handbook have been drawn from a very wide range of sources and contributors representing an enormous diversity of experiences and views. Some of the information has been drawn from anecdotal observation. We have done our best to present a synopsis of scrub management techniques that ...
Demography and ecology of a declining endemic: The Olympic
... effects of tourism on wildlife species. Tanguy Valois, an international student intern (from France), contributed to the design of the behavioral study and made most of the associated observations. He is co-author, along with S. Mills and M. Taper, on the resulting publication in Conservation Biolo ...
... effects of tourism on wildlife species. Tanguy Valois, an international student intern (from France), contributed to the design of the behavioral study and made most of the associated observations. He is co-author, along with S. Mills and M. Taper, on the resulting publication in Conservation Biolo ...
Schaus Swallowtail Butterfly
... North America and also occurs in habitat occupied by the Schaus swallowtail butterfly. The two butterflies are separated by size and color. The giant swallowtail is larger than the Schaus swallowtail and is more nearly coal-black with brighter yellow lines, although this butterfly species, color may ...
... North America and also occurs in habitat occupied by the Schaus swallowtail butterfly. The two butterflies are separated by size and color. The giant swallowtail is larger than the Schaus swallowtail and is more nearly coal-black with brighter yellow lines, although this butterfly species, color may ...
the ecological impact of invasive cane toads (bufo marinus) in
... Although invasive species are viewed as major threats to ecosystems worldwide, few such species have been studied in enough detail to identify the pathways, magnitudes and timescales of their impact on the native fauna. One of the most intensively-studied invasive taxa in this respect is the cane to ...
... Although invasive species are viewed as major threats to ecosystems worldwide, few such species have been studied in enough detail to identify the pathways, magnitudes and timescales of their impact on the native fauna. One of the most intensively-studied invasive taxa in this respect is the cane to ...
Differences in feeding adaptations in intertidal and
... microalgae from the water for 2–4 h before final concentrations were determined. Because of the staggered sampling approach, we recorded the time between samples, but this amount of time was not exactly equivalent for each individual. Pilot studies revealed this amount of time to be appropriate in o ...
... microalgae from the water for 2–4 h before final concentrations were determined. Because of the staggered sampling approach, we recorded the time between samples, but this amount of time was not exactly equivalent for each individual. Pilot studies revealed this amount of time to be appropriate in o ...
Ecology and Management of the Bull Kelp, Nereocystis luetkeana
... these localized and regional threats, kelp forests are vulnerable to climate change. The existence and tremendous productivity of these forests rely on the upwelling of deep offshore nutrient-rich waters. This upwelling process is driven by coastal winds that move surface waters offshore, driving t ...
... these localized and regional threats, kelp forests are vulnerable to climate change. The existence and tremendous productivity of these forests rely on the upwelling of deep offshore nutrient-rich waters. This upwelling process is driven by coastal winds that move surface waters offshore, driving t ...
Factors Driving Herbivores Consumption and
... me iba a estudiar a Galicia. Gracias por apoyarme en cada paso y nunca perder la confianza en mí. A mi tío también tengo mucho que agradecerle pues nada de esto sería posible sin él, gracias por tu apoyo incondicional. A mis hermanos, Israel y Oihana, a quienes admiro profundamente, gracias por ser ...
... me iba a estudiar a Galicia. Gracias por apoyarme en cada paso y nunca perder la confianza en mí. A mi tío también tengo mucho que agradecerle pues nada de esto sería posible sin él, gracias por tu apoyo incondicional. A mis hermanos, Israel y Oihana, a quienes admiro profundamente, gracias por ser ...
Mortality, behavior and the effects of predators on the
... mobile prey, however, a relationship between spatial variation in predation risk and prey distribution does not necessarily imply that low densities of prey are a direct result of high mortality rates. The intertidal distribution of mobile invertebrates can also be influenced by their behavior (Unde ...
... mobile prey, however, a relationship between spatial variation in predation risk and prey distribution does not necessarily imply that low densities of prey are a direct result of high mortality rates. The intertidal distribution of mobile invertebrates can also be influenced by their behavior (Unde ...
Feeding strategies and resource partitioning of whitefish
... presence of interspecific competition (Schoener 1974, Nilsson 1978, Ross 1991). However, resource partitioning need not be a consequence of competition. Other reasons for this phenomenon could be physiological restraints to certain physical-chemical variables, tolerance to environmental change, pred ...
... presence of interspecific competition (Schoener 1974, Nilsson 1978, Ross 1991). However, resource partitioning need not be a consequence of competition. Other reasons for this phenomenon could be physiological restraints to certain physical-chemical variables, tolerance to environmental change, pred ...
The Influence of Interspecific Competition and Other Factors on the
... (Poli) thus settled but did not survive in the ...
... (Poli) thus settled but did not survive in the ...
Biological Synopsis
... C. intestinalis is believed to have been spread widely throughout all temperate regions by shipping activities, particularly as a hitchhiker on the hulls of vessels (Monniot and Monniot 1994, Lambert and Lambert 1998). The earliest record from the US east coast is for New Bedford, Massachusetts (Aga ...
... C. intestinalis is believed to have been spread widely throughout all temperate regions by shipping activities, particularly as a hitchhiker on the hulls of vessels (Monniot and Monniot 1994, Lambert and Lambert 1998). The earliest record from the US east coast is for New Bedford, Massachusetts (Aga ...
Western Ringtail Possum (Pseudocheirus occidentalis)
... reduced by more than 50% in recent years in inland forested catchments due to reduced rainfall (Kinal and Stoneman, 2012; Silberstein et al., 2012), and this lack of surface water during summer may be contributing to the decline in WRP in these areas. The level of heat stress for WRP may also be gre ...
... reduced by more than 50% in recent years in inland forested catchments due to reduced rainfall (Kinal and Stoneman, 2012; Silberstein et al., 2012), and this lack of surface water during summer may be contributing to the decline in WRP in these areas. The level of heat stress for WRP may also be gre ...
Landscape Patterns Environmental Quality Analysis
... The diversity of local conditions and the range of ecosystem components and associated indicators can be overwhelming, making clear assessments of environmental indicators challenging. Due to budget, time, and logistical constraints, it is virtually impossible to monitor all ecosystem components com ...
... The diversity of local conditions and the range of ecosystem components and associated indicators can be overwhelming, making clear assessments of environmental indicators challenging. Due to budget, time, and logistical constraints, it is virtually impossible to monitor all ecosystem components com ...
Critical Habitat - Center for Biological Diversity
... As described for spikedace above, population estimates for loach minnow have not been developed as a result of the difficulty in detecting the species, the sporadic nature of most surveys, and the difference in surveying techniques that have been applied over time. However, based on the available m ...
... As described for spikedace above, population estimates for loach minnow have not been developed as a result of the difficulty in detecting the species, the sporadic nature of most surveys, and the difference in surveying techniques that have been applied over time. However, based on the available m ...
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 ...
changes in patterns of marine-resource
... This thesis examines the changes in patterns of marine-resources (shellfish) exploitation during the earliest period of human occupation (1200/1100 BC to 700/600 BC) of Bourewa (Lapita) settlement, southwest Viti Levu Island, Fiji. The goal of this thesis is to analyse and report on the shellfish ex ...
... This thesis examines the changes in patterns of marine-resources (shellfish) exploitation during the earliest period of human occupation (1200/1100 BC to 700/600 BC) of Bourewa (Lapita) settlement, southwest Viti Levu Island, Fiji. The goal of this thesis is to analyse and report on the shellfish ex ...
Management Plan for the Grass Pickerel
... Recovery planning is intended to benefit species at risk and biodiversity in general. However, it is recognized that plans may also inadvertently lead to environmental effects beyond the intended benefits. The planning process based on national guidelines directly incorporates consideration of all e ...
... Recovery planning is intended to benefit species at risk and biodiversity in general. However, it is recognized that plans may also inadvertently lead to environmental effects beyond the intended benefits. The planning process based on national guidelines directly incorporates consideration of all e ...
Quantifying Terrestrial Habitat Loss and Fragmentation: A Protocol
... Many scientists believe that the earth is facing a mass extinction (Lawton and May 1995, Vitousek et al. 1997, Wilson 1999, Myers and Knoll 2001, Balmford et al. 2003). Current global extinction rates for animals and plants are as much as 1,000 times higher than the background rate in the fossil rec ...
... Many scientists believe that the earth is facing a mass extinction (Lawton and May 1995, Vitousek et al. 1997, Wilson 1999, Myers and Knoll 2001, Balmford et al. 2003). Current global extinction rates for animals and plants are as much as 1,000 times higher than the background rate in the fossil rec ...