carrying capacity - Issaquah Connect
... and light penetration influences primary productivity through the photic zone. More than light, a ____________ ___________ (2 words) is an element that must be added in order for production to increase. What is a limiting nutrient (usually N and P) ...
... and light penetration influences primary productivity through the photic zone. More than light, a ____________ ___________ (2 words) is an element that must be added in order for production to increase. What is a limiting nutrient (usually N and P) ...
Seasonal species interactions minimize the impact of species
... Focusing on ecological communities subject to environmental variations, ecological theory suggests that the impact of seasonal changes can make a community to switch between different levels of maturity or development (e.g., seasonal differences in species composition; Margalef 1963). In particular, ...
... Focusing on ecological communities subject to environmental variations, ecological theory suggests that the impact of seasonal changes can make a community to switch between different levels of maturity or development (e.g., seasonal differences in species composition; Margalef 1963). In particular, ...
Evolutionary Branching and Sympatric Speciation Caused by
... such a way that the population does not become monomorphic for one of the favored phenotypes. On the other hand, given such ecological conditions, the mating system must evolve such that reproductive isolation ensues between the phenotypes that are favored by disruptive selection. In the history of ...
... such a way that the population does not become monomorphic for one of the favored phenotypes. On the other hand, given such ecological conditions, the mating system must evolve such that reproductive isolation ensues between the phenotypes that are favored by disruptive selection. In the history of ...
ppt檔案
... The dotted lines represent the expected result based on pure intra-specific competition. The solid lines and data points represent the actual performance in competition. Ecology 2001 Chap. 9 ...
... The dotted lines represent the expected result based on pure intra-specific competition. The solid lines and data points represent the actual performance in competition. Ecology 2001 Chap. 9 ...
A perspective on amphibian conservation in the United States
... designed to preserve and protect species such as amphibians and their environments. In this country, governmental policy apparently does not have to follow laws established by democratic processes. The same political party that tends to view leadership by the opposing party as illegitimate also tend ...
... designed to preserve and protect species such as amphibians and their environments. In this country, governmental policy apparently does not have to follow laws established by democratic processes. The same political party that tends to view leadership by the opposing party as illegitimate also tend ...
The Endangered Species Act and the Oil and Gas Industry
... • The plan’s objectives are to facilitate continued and uninterrupted economic activity in the Permian Basin, which accounts for over 20% of national domestic energy production, and to promote compliance with the ESA for covered oil and gas activities. • The CCAA portion of the plan applies so long ...
... • The plan’s objectives are to facilitate continued and uninterrupted economic activity in the Permian Basin, which accounts for over 20% of national domestic energy production, and to promote compliance with the ESA for covered oil and gas activities. • The CCAA portion of the plan applies so long ...
ORIGIN AND DYNAMICS OF ORGANIC MATTER IN
... to investigate its spatiotemporal variability. To this end, 5 sampling campaigns were performed in the estuary under contrasting environmental conditions between January 2015 and April 2016. Water samples (ca. 100 L) and sediment cores (10 cm) were collected in the different parts of the estuary: (i ...
... to investigate its spatiotemporal variability. To this end, 5 sampling campaigns were performed in the estuary under contrasting environmental conditions between January 2015 and April 2016. Water samples (ca. 100 L) and sediment cores (10 cm) were collected in the different parts of the estuary: (i ...
Growth, regeneration and predation in three species of large coral
... found in the comparison of parallel measurements along the whole body contour of an individual sponge. Zero growth rates and even negative values (shrinkage) were found at intervals for some points on individuals of all 3 species. There was no apparent pattern in this variation, but overall size of ...
... found in the comparison of parallel measurements along the whole body contour of an individual sponge. Zero growth rates and even negative values (shrinkage) were found at intervals for some points on individuals of all 3 species. There was no apparent pattern in this variation, but overall size of ...
Conservation or Co-evolution? Intermediate Levels of Aboriginal
... combination of focal-individual follows and conMartu classify post-fire succession in five eth- tinuous camp-scans (Altmann, 1974). Intensive noecological stages that correspond to the dom- focal-follows of kangaroo hunters occurred befauna, we collected data on hill kangaroo scat densities in the L ...
... combination of focal-individual follows and conMartu classify post-fire succession in five eth- tinuous camp-scans (Altmann, 1974). Intensive noecological stages that correspond to the dom- focal-follows of kangaroo hunters occurred befauna, we collected data on hill kangaroo scat densities in the L ...
Sathgudi Sweet orange
... Nucleotide sequencing of clones and in silico analysis Selected recombinant clones of CMBV (CMBVSON-2, CMBVSON-3, CMBVSON-4, CMBVSON-5 with insert of approximate size ~1075, ~1492 bp, ~1062bp, ~982bp (Table 3.2) and PCR Product (CMBVSON-1, CMBVSON-6, CMBVSON-7, CMBVSON-8 (Table 3.3) with ~1015 bp, ...
... Nucleotide sequencing of clones and in silico analysis Selected recombinant clones of CMBV (CMBVSON-2, CMBVSON-3, CMBVSON-4, CMBVSON-5 with insert of approximate size ~1075, ~1492 bp, ~1062bp, ~982bp (Table 3.2) and PCR Product (CMBVSON-1, CMBVSON-6, CMBVSON-7, CMBVSON-8 (Table 3.3) with ~1015 bp, ...
ORIGIN, BIOGEOGRAPHICAL MIGRATIONS AND
... that have developed subsequent to anthropological disturbance during the late-Holocene at least 4,000 years ago (80). These mound-building, earlyAmerican populations were active in domesticated crop propagation involving intensive land use by fire to remove forested areas. Such anthropological impac ...
... that have developed subsequent to anthropological disturbance during the late-Holocene at least 4,000 years ago (80). These mound-building, earlyAmerican populations were active in domesticated crop propagation involving intensive land use by fire to remove forested areas. Such anthropological impac ...
Effects of Tree Species Diversity on Foliar Fungal Distribution
... spruce needles from four European forests were studied by using next generation sequencing technology, and fungal communities of birch leaves by sequencing and morphological assessment. In this thesis, foliar fungal pathogen damages were positively correlated with tree species richness – latitude in ...
... spruce needles from four European forests were studied by using next generation sequencing technology, and fungal communities of birch leaves by sequencing and morphological assessment. In this thesis, foliar fungal pathogen damages were positively correlated with tree species richness – latitude in ...
Chesson, P., Pacala, S., Neuhauser, C. 2001. Environmental niches
... response is uncorrelated with the other species would be advantaged relative to the other species by an amount proportional to F 2. If it is negatively correlated with the other species, its advantage would be more; if positive correlated, its advantage would be less. The advantage that accrues to a ...
... response is uncorrelated with the other species would be advantaged relative to the other species by an amount proportional to F 2. If it is negatively correlated with the other species, its advantage would be more; if positive correlated, its advantage would be less. The advantage that accrues to a ...
Reprinted - RERO DOC
... In this chapter, I will review the major steps in the development of the study of ecological networks. I will discuss some hypotheses on the underlying processes behind observed patterns in network structure. Before going into the history and state-of-the-art of this research theme, it is first nece ...
... In this chapter, I will review the major steps in the development of the study of ecological networks. I will discuss some hypotheses on the underlying processes behind observed patterns in network structure. Before going into the history and state-of-the-art of this research theme, it is first nece ...
Use of Predicted Amino Acid Sequence of Envelope
... bootstrap values in 500 bootstrap replications. Genotypes of DEN-2 viruses are indicated in Roman numerical I to V. ...
... bootstrap values in 500 bootstrap replications. Genotypes of DEN-2 viruses are indicated in Roman numerical I to V. ...
frogwatch teachers` guide to frogs as indicators of
... i) Natural factors: dispersal, carrying capacity, extinction ii) Human factors: invasive species, ecosystem change, species interactions iii) Food chains and pyramids: predator and prey, ecological niche, trophic level, biomass, taxonomy Each topic includes introductory information and in some cases ...
... i) Natural factors: dispersal, carrying capacity, extinction ii) Human factors: invasive species, ecosystem change, species interactions iii) Food chains and pyramids: predator and prey, ecological niche, trophic level, biomass, taxonomy Each topic includes introductory information and in some cases ...
Modelling the ecology and evolution of communities
... empirical food-web data, whereas dynamic community models describe the demographic change of populations as a function of the current state of the community. The differences in model formulation and historical motivation between these two approaches, and the areas in which they succeed and fail, are ...
... empirical food-web data, whereas dynamic community models describe the demographic change of populations as a function of the current state of the community. The differences in model formulation and historical motivation between these two approaches, and the areas in which they succeed and fail, are ...
Keystone species and food webs - Philosophical Transactions of the
... may be quantitatively identified, and the keystone term will no longer be restricted to a ‘yes or no’ quality. This is a key condition of predictability. Topological keystone species may be used as quantitative indicators and may be helpful in setting objective conservation priorities. But the rich ...
... may be quantitatively identified, and the keystone term will no longer be restricted to a ‘yes or no’ quality. This is a key condition of predictability. Topological keystone species may be used as quantitative indicators and may be helpful in setting objective conservation priorities. But the rich ...
Benchmarking homology detection procedures with low complexity
... of characters in the given alphabet. This is a common source of false positive homology assignments: while there is little reason to believe these sequence features stem from a common origin in many cases, proteins or genes that share them will nevertheless appear relatively similar to sequence comp ...
... of characters in the given alphabet. This is a common source of false positive homology assignments: while there is little reason to believe these sequence features stem from a common origin in many cases, proteins or genes that share them will nevertheless appear relatively similar to sequence comp ...
Full text in pdf format
... Pemaquid Point, Maine, USA, was studied, using qualitative and quantitative descriptions of the distribution, diversity and abundance of benthic species, as well a s their spatial (bathymetric) and temporal (seasonal) changes. A total of 60 species of macroinvertebrates representing 9 phyla were fou ...
... Pemaquid Point, Maine, USA, was studied, using qualitative and quantitative descriptions of the distribution, diversity and abundance of benthic species, as well a s their spatial (bathymetric) and temporal (seasonal) changes. A total of 60 species of macroinvertebrates representing 9 phyla were fou ...
Pseudomys novaehollandiae, New Holland Mouse
... Holland Mice found in 1993 on the Yanakie Isthmus of Wilsons Promontory National Park, Victoria, was occupying atypical habitat – vegetated sand dunes that had not been burnt for 20-30 years. The dune habitat comprised a mature Banksia – Allocasuarina woodland with an understorey dominated by sedges ...
... Holland Mice found in 1993 on the Yanakie Isthmus of Wilsons Promontory National Park, Victoria, was occupying atypical habitat – vegetated sand dunes that had not been burnt for 20-30 years. The dune habitat comprised a mature Banksia – Allocasuarina woodland with an understorey dominated by sedges ...
The Influence of Predator-Prey Population Dynamics on the Long
... challenges in the study of ecological systems. Two different sets of issues are involved in modelling such communities. Questions regarding food web structure, the nature of predator-prey interactions, competition for resources, and population dynamics apply on an ecological time scale comparable to ...
... challenges in the study of ecological systems. Two different sets of issues are involved in modelling such communities. Questions regarding food web structure, the nature of predator-prey interactions, competition for resources, and population dynamics apply on an ecological time scale comparable to ...
Viewpoint: A theoretical basis for planning woody plant control to
... south Texas was projected to earn a 9.4% rate of return from livestock grazing. The long-term effect of repeated cuhural inputs on diversity are not well documented, but they may result in reduced species richness and diversity. Shannon’s diversity index values were lower in a shrub community domina ...
... south Texas was projected to earn a 9.4% rate of return from livestock grazing. The long-term effect of repeated cuhural inputs on diversity are not well documented, but they may result in reduced species richness and diversity. Shannon’s diversity index values were lower in a shrub community domina ...
Extinction thresholds: insights from simple models
... The concept of extinction threshold illustrated by Eq. 6 is very general. Even when we have focused our discussion in a metapopulation context, models like Eq. 5 have been used in epidemiology, a comparison emphasized by Nee (1994), Lawton et al. (1994), and Bascompte and Rodríguez-Trelles (1998). I ...
... The concept of extinction threshold illustrated by Eq. 6 is very general. Even when we have focused our discussion in a metapopulation context, models like Eq. 5 have been used in epidemiology, a comparison emphasized by Nee (1994), Lawton et al. (1994), and Bascompte and Rodríguez-Trelles (1998). I ...
Conference Abstracts - The Australian Mammal Society
... As a species attribute, behavioral flexibility is often associated with generalists and recognized often as a characteristic of invasive species, urban adapters, and resilience. As an individual attribute, behavioral flexibility has only recently been recognized and studied in wild populations. Beca ...
... As a species attribute, behavioral flexibility is often associated with generalists and recognized often as a characteristic of invasive species, urban adapters, and resilience. As an individual attribute, behavioral flexibility has only recently been recognized and studied in wild populations. Beca ...