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Ecology & Evolutionary Biology: Recent submissions
Now showing items 981-1000 of 1921
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Constraints on primary producer N:P stoichiometry along N:P supply ratio gradients
(Ecological Society of America, 2005-07-01)A current principle of ecological stoichiometry states that the nitrogen to phosphorus ratio (N:P) of primary producers should closely match that from environmental nutrient supplies. This hypothesis was tested using data ... -
Stoichiometry and grazer community composition over gradients of light, nutrients, and predation risk
(Ecological Society of America, 2004-08-01)Mechanisms that explain shifts in species composition over environmental gradients continue to intrigue ecologists. Ecological stoichiometry has recently provided a new potential mechanism linking resource (light and ... -
Fates of Eroded Soil Organic Carbon: Mississippi Basin Case Study
(Ecological Society of America, 2005)We have developed a mass balance analysis of organic carbon (OC) across the five major river subsystems of the Mississippi (MS) Basin (an area of 3.2 3 106 km2). This largely agricultural landscape undergoes a bulk soil ... -
Habitat Selection under Temporal Heterogeneity: Exorcizing the Ghost of Competition Past
(Ecological Society of America, 2000)We investigate how coexistence between competitors may be influenced by habitat selection when habitats represent either sources or sinks, and given that dispersal is free to evolve. Evolutionary stable dispersal between ... -
Resolving Ecological Questions through Meta-Analysis: Goals, Metrics, and Models
(Ecological Society of America, 1999)We evaluate the goals of meta-analysis, critique its recent application in ecology, and highlight an approach that more explicitly links meta-analysis and ecological theory. One goal of meta-analysis is testing null ... -
Nonpoint pollution of surface waters with phosphorus and nitrogen
(Ecological Society of America, 1998-08-01)Agriculture and urban activities are major sources of phosphorus and nitrogen to aquatic ecosystems. Atmospheric deposition further contributes as a source of N. These nonpoint inputs of nutrients are difficult to measure ... -
Genetic Relatedness Among Co-Foundresses of Two Desert Ants, Veromessor Pergandei and Acromyrmex Versicolor (Hymenoptera: Formicidae)
(Hindawi Publishing Corporation, 1988-09-20)No abstract is available for this item. -
A New Colonial Anelosimus Spider From Suriname (Araneae: Theridiidae)
(Hindawi Publishing Corporation, 1982-09-14)No abstract is available for this item. -
Predation by Argyrodes (Theridiidae) on Solitary and Communal Spiders
(Hindawi Publishing Corporation, 1980-05-01)No abstract is available for this item. -
Evolution of the complementary sex-determination gene of honey bees: Balancing selection and trans-species polymorphisms
(Cold Spring Harbor Laboratory Press, 2006-10-25)The mechanism of sex determination varies substantively among evolutionary lineages. One important mode of genetic sex determination is haplodiploidy, which is used by ∼20% of all animal species, including >200,000 species ... -
Randomization tests using standard statistical software
(Ecological Society of America, 1999-07-01)No abstract is available for this item. -
Patterns of Aggression in Gulls: Asymmetries and Tactics in Different Social Categories
(Central Ornithology Publication Office, 1994-08-01)During contests in Western Gulls, Larus occidentalis, we examined patterns of aggression in relation to sex, age class, and territorial status. Data were collected on agonistic contests during parts of three reproductive ... -
Hybridization and Male Parental Investment in Birds
(Central Ornithology Publication Office, 1993-08-01)Hybridization within genera occurs more frequently in avian families and subfamilies where there is considerable male parental investment, less frequently in families with moderate levels of male parental investment, and ... -
Individual Variation and the Costs of Reproduction
(Central Ornithology Publication Office, 1991-11-01)No abstract is available for this item. -
Review of Ravens in Winter
(Central Ornithology Publication Office, 1991-08-01)No abstract is available for this item. -
The interaction of habitat fragmentation, plant and small mammal succession in an old field
(Ecological Society of America, 2000-06-01)We compared the density and spatial distribution of four small mammal species (Microtus ochrogaster, Peromyscus maniculatus, Sigmodon hispidus, and P. leucopus) along with general measures of an old field plant community ... -
Traditional ecological knowledge: the third alternative
(Ecological Society of America, 2000-10-01)Contemporary Western attitudes concerning the management of natural resources, treatment of nonhuman animals, and the natural world emerge from traditions derived from Western European philosophy, i.e., they assume that ... -
Effect of density reduction on uinta ground squirrels: analysis of life table response experiments.
(Ecological Society of America, 2001)The effects of natural or experimental environmental perturbations on populations can be diverse, simultaneously affecting several life history variables. Population level responses to such influences frequently are measured ... -
Yellow-Bellied Marmot Population Dynamics: Demographic Mechanisms of Growth and Decline
(Ecological Society of America, 2004)Multiple environmental factors may act synergistically to influence demographic characteristics, and ultimately the dynamics, of biological populations. Using prospective and retrospective analyses of demographic data from ... -
When is Biological Control Evolutionarily Stable (or is it)?
(Ecological Society of America, 1997)The evolution of resistance by insect and weed pests to chemical pesticides is a problem of increasing importance in applied ecology. It is striking that the evolution of resistance by target pest species in biological ...