Biodiversity Outcomes Framework
... territories also have their own biodiversity strategies. The biodiversity outcomes framework complements and builds on that work. It will be used to identify and link current and future priorities, to engage Canadians in planning and implementation and to report on progress. ...
... territories also have their own biodiversity strategies. The biodiversity outcomes framework complements and builds on that work. It will be used to identify and link current and future priorities, to engage Canadians in planning and implementation and to report on progress. ...
Student Research Projects Spring 2016/2017
... Culex pipiens, a species of mosquito abundant in the eastern United States, is the primary transmission vector of West Nile Virus (WNV). Among the most common reservoir hosts for the virus are American robins, house sparrows, and European starlings. Feeding preferences of Cx. pipiens contribute a gr ...
... Culex pipiens, a species of mosquito abundant in the eastern United States, is the primary transmission vector of West Nile Virus (WNV). Among the most common reservoir hosts for the virus are American robins, house sparrows, and European starlings. Feeding preferences of Cx. pipiens contribute a gr ...
Lesson Overview - St. Pius X High School
... Often, space and food are related to one another. Many grazing animals compete for territories in which to breed and raise offspring. Individuals that do not succeed in establishing a territory find no mates and cannot breed. For example, male wolves may fight each other for territory or access to m ...
... Often, space and food are related to one another. Many grazing animals compete for territories in which to breed and raise offspring. Individuals that do not succeed in establishing a territory find no mates and cannot breed. For example, male wolves may fight each other for territory or access to m ...
Slide 1
... Competition is a density-dependent limiting factor. The more individuals living in an area, the sooner they use up the available resources. Often, space and food are related to one another. Many grazing animals compete for territories in which to breed and raise offspring. Individuals that do not su ...
... Competition is a density-dependent limiting factor. The more individuals living in an area, the sooner they use up the available resources. Often, space and food are related to one another. Many grazing animals compete for territories in which to breed and raise offspring. Individuals that do not su ...
The influence of biodiversity on invasibility of terrestrial plant
... Dukes (2001) concluded that species had a greater chance of invading if their functional group was not present in the community. Although this result could be confused with the sampling effect, it seems that the important point is the presence of a functional group and not the specific species, and ...
... Dukes (2001) concluded that species had a greater chance of invading if their functional group was not present in the community. Although this result could be confused with the sampling effect, it seems that the important point is the presence of a functional group and not the specific species, and ...
Wildlife Encounters by Lewis and Clark
... Others have studied the Lewis and Clark journals with regard to wildlife. Martin and Szuter (1999a) examined Lewis and Clark’s wildlife observations on a broad scale, labeling areas where wildlife was abundant and humans were not as “war zones” and areas with abundant humans and less wildlife as “ga ...
... Others have studied the Lewis and Clark journals with regard to wildlife. Martin and Szuter (1999a) examined Lewis and Clark’s wildlife observations on a broad scale, labeling areas where wildlife was abundant and humans were not as “war zones” and areas with abundant humans and less wildlife as “ga ...
Limits to Growth - Hoquiam Science
... Competition is a density-dependent limiting factor. The more individuals living in an area, the sooner they use up the available resources. Often, space and food are related to one another. Many grazing animals compete for territories in which to breed and raise offspring. Individuals that do not su ...
... Competition is a density-dependent limiting factor. The more individuals living in an area, the sooner they use up the available resources. Often, space and food are related to one another. Many grazing animals compete for territories in which to breed and raise offspring. Individuals that do not su ...
Colony–colony interactions between highly invasive ants
... behavioural interactions (Cerdá, Arnan, & Retana, 2013). In the case of interactions between multiple invasive ant species, this is not possible because they usually do not co-occur in the same areas yet, although they may interact in the future. To circumvent this difficulty, studies have used beha ...
... behavioural interactions (Cerdá, Arnan, & Retana, 2013). In the case of interactions between multiple invasive ant species, this is not possible because they usually do not co-occur in the same areas yet, although they may interact in the future. To circumvent this difficulty, studies have used beha ...
Predictors of species sensitivity to fragmentation
... Theoretical models of population viability generally predict that species unable to maintain stable populations in the face of environmental vagaries (species with high population fluctuations) may be prone to local extinction (e.g., Leigh 1981; Lande and Orzack 1988; Wissel et al. 1994; see also He ...
... Theoretical models of population viability generally predict that species unable to maintain stable populations in the face of environmental vagaries (species with high population fluctuations) may be prone to local extinction (e.g., Leigh 1981; Lande and Orzack 1988; Wissel et al. 1994; see also He ...
territorial behavior and population regulation in birds
... (Kluijver, 1951:83, 1%3), the year to year variation in density was relatively small and not proportional in magnitude to the variation in the total population in the study area. On the other hand, in the pine-wood part of the study area the food supply was poorer, densities were lower and more vari ...
... (Kluijver, 1951:83, 1%3), the year to year variation in density was relatively small and not proportional in magnitude to the variation in the total population in the study area. On the other hand, in the pine-wood part of the study area the food supply was poorer, densities were lower and more vari ...
Proposal for Crayfish Surveys of Big Thicket National Preserve
... Fallicambarus wallsi has a much more limited distribution, and possibly occurs in northern BTNP units; both species along with F. devastator are Trinity/Neches River endemics. At present, four described species likely occur in BTNP. That being said, it is likely F. fodiens populations in BTNP actual ...
... Fallicambarus wallsi has a much more limited distribution, and possibly occurs in northern BTNP units; both species along with F. devastator are Trinity/Neches River endemics. At present, four described species likely occur in BTNP. That being said, it is likely F. fodiens populations in BTNP actual ...
Common Name: CHATTOOGA RIVER CRAYFISH Scientific Name
... Diet: No studies of the Chattooga River crayfish are known. Crayfishes are considered opportunistic omnivores and are likely to feed on live and decaying vegetation, aquatic insect larvae, small fishes, and dead animal matter. Life History: Stream dwelling crayfishes typically hide during the day a ...
... Diet: No studies of the Chattooga River crayfish are known. Crayfishes are considered opportunistic omnivores and are likely to feed on live and decaying vegetation, aquatic insect larvae, small fishes, and dead animal matter. Life History: Stream dwelling crayfishes typically hide during the day a ...
Project: Big Shark, Big Loss, Big Impact: Sharks are Apex Predators
... spacespatial wheredistribution it is safe of resource. Others scavenge the sea floorGrades: to feed 4, on 5, dead carcasses. Apex predators also influence ...
... spacespatial wheredistribution it is safe of resource. Others scavenge the sea floorGrades: to feed 4, on 5, dead carcasses. Apex predators also influence ...
Phylogenetic and evolutionary analyses of St. Louis encephalitis
... Phylogenetic relationships were evaluated using maximum likelihood (ML) and Bayesian methods. ML trees were generated with PHYML v2.4.4 (Guindon and Gascuel, 2003), following testing for appropriate models using Modeltest (Posada and Crandall, 1998) and PAUP* v4b10 (Swofford, 2003), using the GTR sub ...
... Phylogenetic relationships were evaluated using maximum likelihood (ML) and Bayesian methods. ML trees were generated with PHYML v2.4.4 (Guindon and Gascuel, 2003), following testing for appropriate models using Modeltest (Posada and Crandall, 1998) and PAUP* v4b10 (Swofford, 2003), using the GTR sub ...
Chapter 25: Community Ecology
... not automatically indicate the existence of competition. For example, many similar-sized fish have a negative effect on each other, but it results not from competition, but from the fact that adults of each species will prey on juveniles of the other species. In addition, the presence of one species ...
... not automatically indicate the existence of competition. For example, many similar-sized fish have a negative effect on each other, but it results not from competition, but from the fact that adults of each species will prey on juveniles of the other species. In addition, the presence of one species ...
A Three-Way Trade-Off Maintains Functional Diversity under
... covariation to parameterize a mechanistic model of competition under fluctuating nutrient supply. We use this model to explore how species sorting leads to shifting community trait structure and diversity across gradients of environmental conditions. This analysis expands on prior work by Grover (19 ...
... covariation to parameterize a mechanistic model of competition under fluctuating nutrient supply. We use this model to explore how species sorting leads to shifting community trait structure and diversity across gradients of environmental conditions. This analysis expands on prior work by Grover (19 ...
Making Predictions in a Changing World: The Benefits of Individual
... [Branta bernicla L.] in the Exe Estuary, United Kingdom). The distribution of patches and foragers (circles) are displayed to the left (different types of forager can be represented in different colors). The tabs to the right display the values of state variables (here, food resources) graphically. ...
... [Branta bernicla L.] in the Exe Estuary, United Kingdom). The distribution of patches and foragers (circles) are displayed to the left (different types of forager can be represented in different colors). The tabs to the right display the values of state variables (here, food resources) graphically. ...
Analysis of interspecific competition in perennial plants using life table
... nt and nt⫹1 are the vectors whose elements ni 共t兲 correspond to the number of individuals in stage i at time t and time t+1, respectively, and A is a non-negative square matrix whose elements aij called hereafter the upper-level vital rates, are the numbers of stage i individuals produced per stage ...
... nt and nt⫹1 are the vectors whose elements ni 共t兲 correspond to the number of individuals in stage i at time t and time t+1, respectively, and A is a non-negative square matrix whose elements aij called hereafter the upper-level vital rates, are the numbers of stage i individuals produced per stage ...
Schiel—Algal interactions on subtidal reefs
... algae do not remain viable for long. In addition to these temporal patterns, there is a spatial component to recruitment success. This is indicated by the fact that the species most likely to recruit into a cleared patch is the canopy species. The effective dispersal distances of these algae appear ...
... algae do not remain viable for long. In addition to these temporal patterns, there is a spatial component to recruitment success. This is indicated by the fact that the species most likely to recruit into a cleared patch is the canopy species. The effective dispersal distances of these algae appear ...
Human Social Evolution and Animal Exploitation through Artificial
... tion, a gene that takes up one place in a chromosome may in fact take on different forms. These are known as alleles, in other words, they are dif ferent versions - or expressions - of the same gene (Plotkin 1994, 247-8). Returning to the neo-Darwinian theory of evolution, the two-step process may ...
... tion, a gene that takes up one place in a chromosome may in fact take on different forms. These are known as alleles, in other words, they are dif ferent versions - or expressions - of the same gene (Plotkin 1994, 247-8). Returning to the neo-Darwinian theory of evolution, the two-step process may ...
EIS Aquatic Ecology Impact Assessment
... identified. The fish and aquatic reptile species in the project development area are generally species that tolerate a wide range of environmental conditions. However, seven fish species that are considered to be potentially locally threatened were identified, as known to be present or likely to be ...
... identified. The fish and aquatic reptile species in the project development area are generally species that tolerate a wide range of environmental conditions. However, seven fish species that are considered to be potentially locally threatened were identified, as known to be present or likely to be ...