
The value of Marine Spatial Planning to assist in the Management of
... listed ecosystems, CBAs; FEPAs, EBSA ...
... listed ecosystems, CBAs; FEPAs, EBSA ...
A comparative growth analysis between alien invader and native
... measured for each organ, and dry mass was measured after drying at 60 °C for 48 h. Relative growth rates expressed on a total dry mass (RGRDM: unit of dry mass increment per day and per unit of total dry mass of plant) and on a leaf area basis (RGRA: unit of leaf area increment per day and per unit ...
... measured for each organ, and dry mass was measured after drying at 60 °C for 48 h. Relative growth rates expressed on a total dry mass (RGRDM: unit of dry mass increment per day and per unit of total dry mass of plant) and on a leaf area basis (RGRA: unit of leaf area increment per day and per unit ...
Ecological Concepts, Principles and Applications
... also provide vital services such as pollination, waste assimilation, water filtration and distribution of seeds and nutrients. Genetic diversity enables us to breed higher-yield and disease-resistant plants and animals and allows the development or natural evolution of breeds and races that thrive u ...
... also provide vital services such as pollination, waste assimilation, water filtration and distribution of seeds and nutrients. Genetic diversity enables us to breed higher-yield and disease-resistant plants and animals and allows the development or natural evolution of breeds and races that thrive u ...
TEKS 5 - cloudfront.net
... In the a tropical dry forest, there are distinct rainy and dry seasons. Adaptations that enable plants to survive the dry season include the seasonal loss of leaves. A plant that sheds its leaves and stops photosynthesis during a particular season is described as deciduous. Seasonal leaf loss is adv ...
... In the a tropical dry forest, there are distinct rainy and dry seasons. Adaptations that enable plants to survive the dry season include the seasonal loss of leaves. A plant that sheds its leaves and stops photosynthesis during a particular season is described as deciduous. Seasonal leaf loss is adv ...
1 Lecture 5. Producers, consumers and decomposers of an
... /microorganisms or individual/population or a trophic group. It may depict food chain as shown in single/Y shaped energy flow system or bioenergetics of entire system. These models depict the basic pattern of energy flow in ecosystem. Under natural conditions, these organisms are inter related in a ...
... /microorganisms or individual/population or a trophic group. It may depict food chain as shown in single/Y shaped energy flow system or bioenergetics of entire system. These models depict the basic pattern of energy flow in ecosystem. Under natural conditions, these organisms are inter related in a ...
Parasite establishment in host communities - People
... infective propagules produced by the alternative host (see also Schmidt & Ostfeld 2001). This case was not part of Tilman’s original classificatory scheme, but has since been recognized as feasible in some predator–prey systems (e.g. Holt 1983); for instance, if a predator cannot discriminate betwee ...
... infective propagules produced by the alternative host (see also Schmidt & Ostfeld 2001). This case was not part of Tilman’s original classificatory scheme, but has since been recognized as feasible in some predator–prey systems (e.g. Holt 1983); for instance, if a predator cannot discriminate betwee ...
(Rough translation from Spanish by EFTTA) ASPA, S.L. has carried
... alien species in particular and other species in general. • The sport fishing sector has to establish the appropriate measures and programs to be able to adapt and anticipate the legislative changes that periodically occur in the Spanish environmental regulations, both in Relation to invasive alien ...
... alien species in particular and other species in general. • The sport fishing sector has to establish the appropriate measures and programs to be able to adapt and anticipate the legislative changes that periodically occur in the Spanish environmental regulations, both in Relation to invasive alien ...
Parasites and Ecosystem Engineering: What Roles Could They Play?
... their size. Although cases of non-interference are probably common, traits altered by parasites can also directly correspond, or be related, to traits involved in an engineering function of the host (Fig. 2B). In these situations, parasites are thus expected to interfere with the engineering process ...
... their size. Although cases of non-interference are probably common, traits altered by parasites can also directly correspond, or be related, to traits involved in an engineering function of the host (Fig. 2B). In these situations, parasites are thus expected to interfere with the engineering process ...
Chapter 3 * Natural selection and Evolution
... The selective agents were birds (predation) The findings: In the city areas the trees were blackened by pollution any white moths resting on the trees would be spotted and eaten, therefore the black moths survived longer. The black moths produced black offspring, therefore the city population ...
... The selective agents were birds (predation) The findings: In the city areas the trees were blackened by pollution any white moths resting on the trees would be spotted and eaten, therefore the black moths survived longer. The black moths produced black offspring, therefore the city population ...
Ecological research and monitoring of the protected grasshopper
... stages, presented as field sketches (Appendix 3). The separation of very small growth stages was problematic, especially in males, and the number of growth stages in a full life cycle remains unclear. The sketches can be related to the growth stage diagrams of Hudson 1970 for other grasshopper speci ...
... stages, presented as field sketches (Appendix 3). The separation of very small growth stages was problematic, especially in males, and the number of growth stages in a full life cycle remains unclear. The sketches can be related to the growth stage diagrams of Hudson 1970 for other grasshopper speci ...
Definitions, Categories and Criteria for Threatened and Priority
... application will be determined by scientific judgement. Examples of modification and total destruction are cited below: Modification of ecological processes: The hydrology of Toolibin Lake has been altered by clearing of the catchment such that death of some of the original flora has occurred due to ...
... application will be determined by scientific judgement. Examples of modification and total destruction are cited below: Modification of ecological processes: The hydrology of Toolibin Lake has been altered by clearing of the catchment such that death of some of the original flora has occurred due to ...
Assessing the structure and temporal dynamics of seabird
... monitored using stomach contents, pellets or, less commonly, direct observations of prey carried by returning adults, or dropped items collected at breeding colonies. Although these approaches can be biased, the results ...
... monitored using stomach contents, pellets or, less commonly, direct observations of prey carried by returning adults, or dropped items collected at breeding colonies. Although these approaches can be biased, the results ...
Xeric Tallgrass Prairie Study - Jefferson Conservation District
... including big and little bluestem, common eastern prairie species; and mountain muhly and Porter’s aster, prevalent western species. A total of over 50 native species were found on the site. The report notes on page 21 “that this ecosystem does possess unique qualities consistent with its very old e ...
... including big and little bluestem, common eastern prairie species; and mountain muhly and Porter’s aster, prevalent western species. A total of over 50 native species were found on the site. The report notes on page 21 “that this ecosystem does possess unique qualities consistent with its very old e ...
Focus Plan - cloudfront.net
... Dolphins: Dolphins are large sea mammals. They are fast and very skilled at catching prey. Dolphins have very few predators. Phytoplankton: Phytoplankton are one-celled organisms that live near the surface of the ocean. These tiny plants capture the Sun’s energy and convert it into glucose, a compou ...
... Dolphins: Dolphins are large sea mammals. They are fast and very skilled at catching prey. Dolphins have very few predators. Phytoplankton: Phytoplankton are one-celled organisms that live near the surface of the ocean. These tiny plants capture the Sun’s energy and convert it into glucose, a compou ...
Ecological Interactions Lead to Evolutionary Change
... • Define aposematic coloration • Construct an explanation of how aposematic coloration can evolve • Generalize about and predict outcomes of specific interactions between predators and their prey ...
... • Define aposematic coloration • Construct an explanation of how aposematic coloration can evolve • Generalize about and predict outcomes of specific interactions between predators and their prey ...
Trophic levels of multispecies in the Gulf of Thailand
... The biomass pools consist of a single species, or species groups representing ecological guilds. Pools may be further split into ontogenetic (juvenile/adult) groups that can then be linked together in Ecosim. Ecopath data requirements are relatively simple, and generally already available from stock ...
... The biomass pools consist of a single species, or species groups representing ecological guilds. Pools may be further split into ontogenetic (juvenile/adult) groups that can then be linked together in Ecosim. Ecopath data requirements are relatively simple, and generally already available from stock ...
Focus Plan
... Dolphins: Dolphins are large sea mammals. They are fast and very skilled at catching prey. Dolphins have very few predators. Phytoplankton: Phytoplankton are one-celled organisms that live near the surface of the ocean. These tiny plants capture the Sun’s energy and convert it into glucose, a compou ...
... Dolphins: Dolphins are large sea mammals. They are fast and very skilled at catching prey. Dolphins have very few predators. Phytoplankton: Phytoplankton are one-celled organisms that live near the surface of the ocean. These tiny plants capture the Sun’s energy and convert it into glucose, a compou ...
Viewing invasive species removal in a whole
... habitatb. The replacement of much of the habitat that remained by saltcedar required the flycatcher to make use of the invader, which it seems to prefer in some areas, despite its reduced breeding successe,f. Stepwise saltcedar removal could strongly benefit the flycatcher by giving native trees the ...
... habitatb. The replacement of much of the habitat that remained by saltcedar required the flycatcher to make use of the invader, which it seems to prefer in some areas, despite its reduced breeding successe,f. Stepwise saltcedar removal could strongly benefit the flycatcher by giving native trees the ...
Genetics and Other Mechanisms Affecting Behavior
... flocks of about 20 individuals as early as late June, and the flock size continues to increase to over 60 prior to southerly migration. Probably, the earliest birds to become members of a postbreeding flock were nonbreeders or “floaters” in the population. Similarly, why do turkey (Cathartes aura) a ...
... flocks of about 20 individuals as early as late June, and the flock size continues to increase to over 60 prior to southerly migration. Probably, the earliest birds to become members of a postbreeding flock were nonbreeders or “floaters” in the population. Similarly, why do turkey (Cathartes aura) a ...
Resource Depletion and Habitat Segregation by Competitors Under
... Individuals of different sizes in size-structured populations often differ greatly in the use of resources and/or space. Spectacular examples include shifts, within a lifetime, from carnivory to herbivory (e.g., some turtles; Clark and Gibbons 1969), or from herbivory to carnivory (e.g., some copepo ...
... Individuals of different sizes in size-structured populations often differ greatly in the use of resources and/or space. Spectacular examples include shifts, within a lifetime, from carnivory to herbivory (e.g., some turtles; Clark and Gibbons 1969), or from herbivory to carnivory (e.g., some copepo ...
Community Ecology, BIOL 7083 – Fall 2003
... Howe, H. F. & L. C. Westley. 1988. Ecological Relationships of Plants and Animals. Oxford University Press, Oxford, UK. Hutchinson, G. Evelyn. 1965. The Ecological Theater and the Evolutionary Play. Yale University Press, New Haven, CT. Inchausti, Pablo. 1994. Reductionist approaches in community ec ...
... Howe, H. F. & L. C. Westley. 1988. Ecological Relationships of Plants and Animals. Oxford University Press, Oxford, UK. Hutchinson, G. Evelyn. 1965. The Ecological Theater and the Evolutionary Play. Yale University Press, New Haven, CT. Inchausti, Pablo. 1994. Reductionist approaches in community ec ...
Theoretical ecology

Theoretical ecology is the scientific discipline devoted to the study of ecological systems using theoretical methods such as simple conceptual models, mathematical models, computational simulations, and advanced data analysis. Effective models improve understanding of the natural world by revealing how the dynamics of species populations are often based on fundamental biological conditions and processes. Further, the field aims to unify a diverse range of empirical observations by assuming that common, mechanistic processes generate observable phenomena across species and ecological environments. Based on biologically realistic assumptions, theoretical ecologists are able to uncover novel, non-intuitive insights about natural processes. Theoretical results are often verified by empirical and observational studies, revealing the power of theoretical methods in both predicting and understanding the noisy, diverse biological world.The field is broad and includes foundations in applied mathematics, computer science, biology, statistical physics, genetics, chemistry, evolution, and conservation biology. Theoretical ecology aims to explain a diverse range of phenomena in the life sciences, such as population growth and dynamics, fisheries, competition, evolutionary theory, epidemiology, animal behavior and group dynamics, food webs, ecosystems, spatial ecology, and the effects of climate change.Theoretical ecology has further benefited from the advent of fast computing power, allowing the analysis and visualization of large-scale computational simulations of ecological phenomena. Importantly, these modern tools provide quantitative predictions about the effects of human induced environmental change on a diverse variety of ecological phenomena, such as: species invasions, climate change, the effect of fishing and hunting on food network stability, and the global carbon cycle.