In situ conservation methods - Forest Genetic Resources Training
... " gene pools existing under extreme situations! at the limit of distribution; .. different migration events, glacial refuges; " old centers of diversity. If sufficient genetic is safely and sustainably conserved from the full range of habitats and geographical locations! then further active conserva ...
... " gene pools existing under extreme situations! at the limit of distribution; .. different migration events, glacial refuges; " old centers of diversity. If sufficient genetic is safely and sustainably conserved from the full range of habitats and geographical locations! then further active conserva ...
From tropics to tundra: Global convergence in plant functioning P B. R *
... In contrast to the similitude among slopes, the intercepts (a) of these relationships were often significantly different among biomes (analysis of covariance, same slopes analysis), but the proportion of total variation accounted for by biome was usually small. Intercept differences among biomes for ...
... In contrast to the similitude among slopes, the intercepts (a) of these relationships were often significantly different among biomes (analysis of covariance, same slopes analysis), but the proportion of total variation accounted for by biome was usually small. Intercept differences among biomes for ...
Document
... Pisaster was removed from an intertidal zone, mussels eventually took over the rock face and eliminated most other invertebrates and algae. In a control area from which Pisaster was not removed, there was little change in species diversity. ...
... Pisaster was removed from an intertidal zone, mussels eventually took over the rock face and eliminated most other invertebrates and algae. In a control area from which Pisaster was not removed, there was little change in species diversity. ...
From tropics to tundra: Global convergence in plant functioning
... In contrast to the similitude among slopes, the intercepts (a) of these relationships were often significantly different among biomes (analysis of covariance, same slopes analysis), but the proportion of total variation accounted for by biome was usually small. Intercept differences among biomes for ...
... In contrast to the similitude among slopes, the intercepts (a) of these relationships were often significantly different among biomes (analysis of covariance, same slopes analysis), but the proportion of total variation accounted for by biome was usually small. Intercept differences among biomes for ...
`wasp-waist` food webs
... their rapidly warming habitat and potential for fisheries expansion, have driven efforts to project future trajectories [6,13,20]. An important caveat has been identified independently within the locust and fisheries management literature; the factors governing population dynamics often change as th ...
... their rapidly warming habitat and potential for fisheries expansion, have driven efforts to project future trajectories [6,13,20]. An important caveat has been identified independently within the locust and fisheries management literature; the factors governing population dynamics often change as th ...
Importance of biogenic substrates for the stone crab
... substrates such as P. lapidosa. A few questions arose: is there a non-random pattern for the distribution of M. nodifrons? Are young individuals found in greater concentrations in biogenic substrates? Is the size of M. nodifrons important for the occupation of a certain substrate? This study describ ...
... substrates such as P. lapidosa. A few questions arose: is there a non-random pattern for the distribution of M. nodifrons? Are young individuals found in greater concentrations in biogenic substrates? Is the size of M. nodifrons important for the occupation of a certain substrate? This study describ ...
(2016). Exotics Exhibit More Evolutionary History Than Natives
... Exotics exhibit more evolutionary history than natives 123 INTRODUCTION In the past, the rate at which species colonized new areas, such as distant islands, was relatively slow, and long‐distance dispersal events were rare. As a result, species within biogeographic regions shared much of their ev ...
... Exotics exhibit more evolutionary history than natives 123 INTRODUCTION In the past, the rate at which species colonized new areas, such as distant islands, was relatively slow, and long‐distance dispersal events were rare. As a result, species within biogeographic regions shared much of their ev ...
HABITAT DESCRIPTIONS: UPLAND HABITATS
... biodiversity conservation, and produces educational publications on natural history and conservation topics. Hudsonia does not support or oppose development proposals or land use changes; rather, we conduct scientific studies and provide full resulting data, analysis, and recommendations to landowne ...
... biodiversity conservation, and produces educational publications on natural history and conservation topics. Hudsonia does not support or oppose development proposals or land use changes; rather, we conduct scientific studies and provide full resulting data, analysis, and recommendations to landowne ...
Root competition can cause a decline in diversity with increased
... competition from a dominant species did not increase with increasing resources in two other studies (Belsky 1992; Leps 1999), and the total effect of competition on diversity did not increase with increasing water availability in a community of desert annuals (Goldberg et al. unpublished data). Incr ...
... competition from a dominant species did not increase with increasing resources in two other studies (Belsky 1992; Leps 1999), and the total effect of competition on diversity did not increase with increasing water availability in a community of desert annuals (Goldberg et al. unpublished data). Incr ...
Non-optimal animal movement in human
... patch disappears) is higher than for species in patchy non-ephemeral habitats. As discussed above, such species often show a bimodal movement probability; the small proportion of animals that are committed to movement may then move irrespective of boundaries encountered. Animals that evolved in patc ...
... patch disappears) is higher than for species in patchy non-ephemeral habitats. As discussed above, such species often show a bimodal movement probability; the small proportion of animals that are committed to movement may then move irrespective of boundaries encountered. Animals that evolved in patc ...
Pronghorn Briefing Document for Sagebrush Strategy
... Sagebrush Conservation Strategy that can guide State and Federal agency conservation efforts as well as those of NGOs. WAFWA held a workshop in early June to identify focal species within the sagebrush system and have preliminary discussions about available science and science gaps relative to sageb ...
... Sagebrush Conservation Strategy that can guide State and Federal agency conservation efforts as well as those of NGOs. WAFWA held a workshop in early June to identify focal species within the sagebrush system and have preliminary discussions about available science and science gaps relative to sageb ...
Predation‐Competition Interactions for Seasonally Recruiting Species.
... precise and intuitive form. This trade-off is not necessary for fluctuation-dependent coexistence. Instead, life-history trade-offs suffice. Fluctuation-dependent coexistence occurs in our model with or without predation. The effect of predation on fluctuation-dependent coexistence may be positive, ...
... precise and intuitive form. This trade-off is not necessary for fluctuation-dependent coexistence. Instead, life-history trade-offs suffice. Fluctuation-dependent coexistence occurs in our model with or without predation. The effect of predation on fluctuation-dependent coexistence may be positive, ...
Macroecological patterns of species richness in parasite assemblages
... organization of parasite assemblages; they are artificial rather than biological entities, but have nevertheless been the subject of many macroecological studies. In fact, the studies discussed later use data from either the component community level or the parasite fauna level; these are at the rel ...
... organization of parasite assemblages; they are artificial rather than biological entities, but have nevertheless been the subject of many macroecological studies. In fact, the studies discussed later use data from either the component community level or the parasite fauna level; these are at the rel ...
ocean climate indicators status report – 2013
... July then appeared to rise for the rest of the year. Strong alongshore winds and positive upwelling indices during the first half of the year also confirm the strong upwelling in the region, which has translated to an early spring transition date for 2013. Climate variables showed mixed results for ...
... July then appeared to rise for the rest of the year. Strong alongshore winds and positive upwelling indices during the first half of the year also confirm the strong upwelling in the region, which has translated to an early spring transition date for 2013. Climate variables showed mixed results for ...
The Living World
... a good deal However, the ranges of all organisms overlap Copyright ©The McGraw-Hill Companies, Inc. Permission required for reproduction or display ...
... a good deal However, the ranges of all organisms overlap Copyright ©The McGraw-Hill Companies, Inc. Permission required for reproduction or display ...
The Living World - Chapter 32 - McGraw Hill Higher Education
... a good deal However, the ranges of all organisms overlap Copyright ©The McGraw-Hill Companies, Inc. Permission required for reproduction or display ...
... a good deal However, the ranges of all organisms overlap Copyright ©The McGraw-Hill Companies, Inc. Permission required for reproduction or display ...
Genetic consequences of habitat fragmentation in plant populations
... accomplished by treating individual published results as if they were subjected to sampling uncertainty; thus, we are able to obtain not only the magnitude and direction of each effect (regardless of their P values), but also the variability of effects among individual studies (Hedges & Olkin 1985; ...
... accomplished by treating individual published results as if they were subjected to sampling uncertainty; thus, we are able to obtain not only the magnitude and direction of each effect (regardless of their P values), but also the variability of effects among individual studies (Hedges & Olkin 1985; ...
AG. 518 BOTANY\RANGE SCIENCE
... ecosystem and the population size of each of these species to be the same from year to year or not Define inertia and resilience Explain environmental resistance and the role it plays in population balance and ecosystem balance Define the term species diversity and give evidence that species diversi ...
... ecosystem and the population size of each of these species to be the same from year to year or not Define inertia and resilience Explain environmental resistance and the role it plays in population balance and ecosystem balance Define the term species diversity and give evidence that species diversi ...
Intraspecific trait variation across scales: implications for
... trait values within a population are due to genetic differences, they will be heritable, and therefore, population-level means will be subject to change through natural selection over generational timescales. Plasticity, on the other hand, enables immediate adjustment of phenotypic traits, which can ...
... trait values within a population are due to genetic differences, they will be heritable, and therefore, population-level means will be subject to change through natural selection over generational timescales. Plasticity, on the other hand, enables immediate adjustment of phenotypic traits, which can ...
Succession of Wood-inhabiting Fungal Communities
... forest ecosystems. As trees grow, woody biomass accumulates; when trees die, fungi recycle the carbon and minerals that were fixed during the growth of the trees (Schwarze, 2007). The evolution of woody plants led to the formation of the world’s first forests. Fungi have depended upon plants as thei ...
... forest ecosystems. As trees grow, woody biomass accumulates; when trees die, fungi recycle the carbon and minerals that were fixed during the growth of the trees (Schwarze, 2007). The evolution of woody plants led to the formation of the world’s first forests. Fungi have depended upon plants as thei ...
Disturbance, Diversity, and Invasion: Implications for
... changes in the system. In our discussion below, w e will include both direct disturbances (those affecting the survivorship of individuals directly) and indirect disturbance (those affecting resource levels or other conditions that then influence individuals in the patch). Disturbances to plant c o ...
... changes in the system. In our discussion below, w e will include both direct disturbances (those affecting the survivorship of individuals directly) and indirect disturbance (those affecting resource levels or other conditions that then influence individuals in the patch). Disturbances to plant c o ...
Can the biomass-ratio hypothesis predict mixed
... To test this hypothesis, two new variables were created for each mixture by multiplying the community-weighted values of each b̂i and ĉi by time and its square, respectively. For each site, we then fitted a mixed-model regression following Eqn (5b) but also including the litter mixtures as the betw ...
... To test this hypothesis, two new variables were created for each mixture by multiplying the community-weighted values of each b̂i and ĉi by time and its square, respectively. For each site, we then fitted a mixed-model regression following Eqn (5b) but also including the litter mixtures as the betw ...
The coexistence of species - Revista Chilena de Historia Natural
... enough time to reach equilibrium. The first four sections briefly review resource partitioning studies and competitive coexistence models, and discuss the relative contributions of, and interaction between empirical and theoretical approaches to the problem of ecological-scale coexistence. The next ...
... enough time to reach equilibrium. The first four sections briefly review resource partitioning studies and competitive coexistence models, and discuss the relative contributions of, and interaction between empirical and theoretical approaches to the problem of ecological-scale coexistence. The next ...
PETITION TO LIST THE AZTEC GILIA
... drilling in the San Juan Basin, within which occurs the Nacimiento Formation. See Figure 3 and Figure 6. According to the BLM (2003), by 2003, the San Juan Basin contained about 18,000 active oil and gas wells. The Nacimiento Formation is drilled for natural gas (Engler et al. 2001), but oil and gas ...
... drilling in the San Juan Basin, within which occurs the Nacimiento Formation. See Figure 3 and Figure 6. According to the BLM (2003), by 2003, the San Juan Basin contained about 18,000 active oil and gas wells. The Nacimiento Formation is drilled for natural gas (Engler et al. 2001), but oil and gas ...
Niche Relationships of Carnivores in a Subtropical Primary Forest in
... near the center of the ordination space with nearly 0 correlations with axes 1 and 2 suggesting that it may be a generalist in the study area. A permutation test on the trace statistic showed that the measured habitat factors significantly explained the species composition (p < 0.0001 based on 10 4 ...
... near the center of the ordination space with nearly 0 correlations with axes 1 and 2 suggesting that it may be a generalist in the study area. A permutation test on the trace statistic showed that the measured habitat factors significantly explained the species composition (p < 0.0001 based on 10 4 ...