The latitudinal diversity gradient
... potential for speciation (Fig. 4, top panel) and lower the extinction rates leading to more species in the tropics. Bivalve data suggest that many more genera have gone extinct in non-tropical versus tropical regions (Jablonski et al., 2006), though in general it is methodologically challenging to a ...
... potential for speciation (Fig. 4, top panel) and lower the extinction rates leading to more species in the tropics. Bivalve data suggest that many more genera have gone extinct in non-tropical versus tropical regions (Jablonski et al., 2006), though in general it is methodologically challenging to a ...
Macroevolutionary processes
... • Few studies have adequately investigated the evolution of derivative taxa relative to the sister group (nearest relative[s]) • Extraordinarily few groups have been investigated intensively for comprehensive information on evolutionary processes, relevant speciation models, isolation mechanisms, mi ...
... • Few studies have adequately investigated the evolution of derivative taxa relative to the sister group (nearest relative[s]) • Extraordinarily few groups have been investigated intensively for comprehensive information on evolutionary processes, relevant speciation models, isolation mechanisms, mi ...
Dr Philippe Chardonnet
... reintroduction, or worse, reinforcement purposes to free-ranging situations, is extremely hazardous as it threatens genuine local strains with (i) sanitary risks due to high density intensive breeding conditions and inbred genealogy reducing the fitness and the capacity of adaptation, (ii) genetic r ...
... reintroduction, or worse, reinforcement purposes to free-ranging situations, is extremely hazardous as it threatens genuine local strains with (i) sanitary risks due to high density intensive breeding conditions and inbred genealogy reducing the fitness and the capacity of adaptation, (ii) genetic r ...
ECOLOGY AND TAXONOMY OF ARTHROPODS
... Arthropods are the largest group of organisms, with nearly one million described species. In central Europe, we focus namely on arthropods in the early succession stages and disclimax in human-altered habitats, and on groups of insects and other arthropods with high bioindicative potential (dragonfl ...
... Arthropods are the largest group of organisms, with nearly one million described species. In central Europe, we focus namely on arthropods in the early succession stages and disclimax in human-altered habitats, and on groups of insects and other arthropods with high bioindicative potential (dragonfl ...
Insect populations—locusts
... members of the same species living in the same space at the same time ...
... members of the same species living in the same space at the same time ...
A Discussion of Genetic, Morphological and
... side effect. This in itself can reduce fitness before any phenotypic changes are observed by reducing genetic variability and increasing homozygosity, potentially uncovering deleterious recessive alleles. This may leave the herd more susceptible to disease and stress, and less able to cope with vari ...
... side effect. This in itself can reduce fitness before any phenotypic changes are observed by reducing genetic variability and increasing homozygosity, potentially uncovering deleterious recessive alleles. This may leave the herd more susceptible to disease and stress, and less able to cope with vari ...
Population Dynamics
... INTERSPECIFIC COMPETITION: MOVEMENT A second possibility is that one species will move into another, usually nearby environment. • For example, several different species of Maine warblers make their nests in the same kind of spruce tree, but each species lives only within a certain zone of the tre ...
... INTERSPECIFIC COMPETITION: MOVEMENT A second possibility is that one species will move into another, usually nearby environment. • For example, several different species of Maine warblers make their nests in the same kind of spruce tree, but each species lives only within a certain zone of the tre ...
Population Ecology
... Interaction of biotic and abiotic factors often results in unstable population sizes. In some populations they result in regular cycles. ...
... Interaction of biotic and abiotic factors often results in unstable population sizes. In some populations they result in regular cycles. ...
Essentials of Biology Sylvia S. Mader
... early maturation, short life span, and limited parental care of offspring. – Equilibrium populations show logistic growth, a population size near carrying capacity, and large animals with long life span. ...
... early maturation, short life span, and limited parental care of offspring. – Equilibrium populations show logistic growth, a population size near carrying capacity, and large animals with long life span. ...
Essentials of Biology Sylvia S. Mader
... early maturation, short life span, and limited parental care of offspring. – Equilibrium populations show logistic growth, a population size near carrying capacity, and large animals with long life span. ...
... early maturation, short life span, and limited parental care of offspring. – Equilibrium populations show logistic growth, a population size near carrying capacity, and large animals with long life span. ...
Lesson Overview
... To predict how the world’s human population will grow, demographers consider many factors, including the age structure of each country and the effects of diseases on death rates—especially AIDS in Africa and parts of Asia. ...
... To predict how the world’s human population will grow, demographers consider many factors, including the age structure of each country and the effects of diseases on death rates—especially AIDS in Africa and parts of Asia. ...
The Canadian Lynx vs. the Snowshoe Hare: Predator
... We chose values for our coefficients that best fit our population data graph Also initial conditions were taken under consideration in order to most accurately depict our original data This yielded these rate equations ...
... We chose values for our coefficients that best fit our population data graph Also initial conditions were taken under consideration in order to most accurately depict our original data This yielded these rate equations ...
Life History Evolution
... Should decrease selection for longevity Austad studied Virginia opossum – Mainland, lots of predators, high extrinsic mortality – Island, few predators, low extrinsic mortality ...
... Should decrease selection for longevity Austad studied Virginia opossum – Mainland, lots of predators, high extrinsic mortality – Island, few predators, low extrinsic mortality ...
Document
... IV.8.1 An individual is the object and the basic unit of selection. IV.8.2 Group selection involves competing populations. IV.8.2.1 Pseudoaltruistic behaviour of individuals of the same biological clone is not a product of group selection. IV.8.3 Kin selection must not be mistaken with group selecti ...
... IV.8.1 An individual is the object and the basic unit of selection. IV.8.2 Group selection involves competing populations. IV.8.2.1 Pseudoaltruistic behaviour of individuals of the same biological clone is not a product of group selection. IV.8.3 Kin selection must not be mistaken with group selecti ...
Introduction to Conservation Ecology
... fragmented, biodiversity is lowered in all areas • Linking separate ecosystems can be an effective way to conserve biodiversity and increase interactions among ecosystems ...
... fragmented, biodiversity is lowered in all areas • Linking separate ecosystems can be an effective way to conserve biodiversity and increase interactions among ecosystems ...
Species Interactions: Predation
... the community and its unaltered persistence through time." • Important within community at maintaining species richness and diversity • Predation increased diversity by preventing competitive exclusion by Mytilus ...
... the community and its unaltered persistence through time." • Important within community at maintaining species richness and diversity • Predation increased diversity by preventing competitive exclusion by Mytilus ...
Title (10word max) - Goulburn Broken CMA
... management zones operate. These have been published in the Central Highlands Forest Management Plan. Increased prescriptions related to road construction and maintenance to reduce sediment input to streams have been adopted. Captive management has been implemented for the Bogong Creek population in ...
... management zones operate. These have been published in the Central Highlands Forest Management Plan. Increased prescriptions related to road construction and maintenance to reduce sediment input to streams have been adopted. Captive management has been implemented for the Bogong Creek population in ...
Reintroduction of a Rare Plant (Gladiolus imbricatus) Population to a
... mulching treatment. Litter has often been shown to have a negative impact on seedling recruitment (Overbeck et al. 2003). However, the relationship between germination success and litter presence/absence in a wet meadow might be species specific (Kotorova & Leps 1999; Eckstein & Donath 2005; Hölzel ...
... mulching treatment. Litter has often been shown to have a negative impact on seedling recruitment (Overbeck et al. 2003). However, the relationship between germination success and litter presence/absence in a wet meadow might be species specific (Kotorova & Leps 1999; Eckstein & Donath 2005; Hölzel ...
Abiotic A term that describes a nonliving factor in an ecosystem
... Activation Energy Energy needed to get a reaction started. Active Transport The movement of particles from an area of low concentration to an area of high concentration that uses energy provided by ATP or a difference in electrical charges across a cell membrane. Adaptation Inherited characteristic ...
... Activation Energy Energy needed to get a reaction started. Active Transport The movement of particles from an area of low concentration to an area of high concentration that uses energy provided by ATP or a difference in electrical charges across a cell membrane. Adaptation Inherited characteristic ...
