
Picture - Emanuel A. Fronhofer
... Although generations of researchers have studied the factors that limit the distributions of species, we still do not seem to understand this phenomenon comprehensively. Traditionally, species’ ranges have been seen as the consequence of abiotic conditions and local adaptation to the environment. Ho ...
... Although generations of researchers have studied the factors that limit the distributions of species, we still do not seem to understand this phenomenon comprehensively. Traditionally, species’ ranges have been seen as the consequence of abiotic conditions and local adaptation to the environment. Ho ...
Honors Biology notes
... 2. both numbers and consumption rates (ecological footprints – fig. 36.11B) contribute to environmental problems 3. population growth progresses through a demographic transition (fig. 36.9B) 4. Age structure diagrams help compare different countries population (fig. 36.9C) E. when we use biological ...
... 2. both numbers and consumption rates (ecological footprints – fig. 36.11B) contribute to environmental problems 3. population growth progresses through a demographic transition (fig. 36.9B) 4. Age structure diagrams help compare different countries population (fig. 36.9C) E. when we use biological ...
Malay Civet Population Project
... Malay civets range, because of their isolation the civets themselves may be genetically distinct from elsewhere in their range. Unlike the big islands of Borneo, Java and Sumatra which were attached to mainland Southeast Asia via the Sunda shelf during the last ice ages, Sulawesi and surrounding isl ...
... Malay civets range, because of their isolation the civets themselves may be genetically distinct from elsewhere in their range. Unlike the big islands of Borneo, Java and Sumatra which were attached to mainland Southeast Asia via the Sunda shelf during the last ice ages, Sulawesi and surrounding isl ...
Insect communities and biotic interactions on
... or more reduced colonisation probability to zero for the lycaenid Plebejus argus (Thomas et al., 1992). Large and non-isolated grassland patches were more likely to be colonised, whereas local populations in small and isolated patches were more likely to go extinct (Table 1). For the butterflies Pleb ...
... or more reduced colonisation probability to zero for the lycaenid Plebejus argus (Thomas et al., 1992). Large and non-isolated grassland patches were more likely to be colonised, whereas local populations in small and isolated patches were more likely to go extinct (Table 1). For the butterflies Pleb ...
Management of Savannas and Mammalian Populations
... As already mentioned, the typical plant type of the savannas is herbaceous. No doubt, we can stress that herbaceous grass and herbivores have coevolved, with much reciprocal influence on their main ecological and natural-history characteristics. All herbaceous grasses grow from their basal region, a ...
... As already mentioned, the typical plant type of the savannas is herbaceous. No doubt, we can stress that herbaceous grass and herbivores have coevolved, with much reciprocal influence on their main ecological and natural-history characteristics. All herbaceous grasses grow from their basal region, a ...
Eco07
... Coevolution is a type of community evolution. Coevolution is the joint evolution of two or more noninterbreeding species that have a close ecological relationship, such as plants and herbivores, large organisms and their microorganism symbionts, or parasites and their hosts. Through reciprocal s ...
... Coevolution is a type of community evolution. Coevolution is the joint evolution of two or more noninterbreeding species that have a close ecological relationship, such as plants and herbivores, large organisms and their microorganism symbionts, or parasites and their hosts. Through reciprocal s ...
From Functional Genomics to Physiological Model: the
... 1. Does it include my species of interest (or do I have to “humanize” my list)? 2. What does it require to set up (computer usage/online) 3. What was the source for the GO (primary or secondary) and when was it last updated? 4. Does it report the GO evidence codes (and is IEA included)? 5. Does it r ...
... 1. Does it include my species of interest (or do I have to “humanize” my list)? 2. What does it require to set up (computer usage/online) 3. What was the source for the GO (primary or secondary) and when was it last updated? 4. Does it report the GO evidence codes (and is IEA included)? 5. Does it r ...
PowerPoint
... biotechnology methods to improve animals. There are two major areas of biotechnology. ...
... biotechnology methods to improve animals. There are two major areas of biotechnology. ...
stri science symposium - Smithsonian Tropical Research Institute
... the Azuero Peninsula near Pedasi (dry forest). We investigated changes in soil bacterial and fungal communities across these land use types by sequencing 16s and ITS metagenomic libraries on an Illumina MiSeq. Nutrients and pH of each soil sample, as well as aboveground vegetation cover at each site ...
... the Azuero Peninsula near Pedasi (dry forest). We investigated changes in soil bacterial and fungal communities across these land use types by sequencing 16s and ITS metagenomic libraries on an Illumina MiSeq. Nutrients and pH of each soil sample, as well as aboveground vegetation cover at each site ...
biology-ch.-2-principals-of-ecology-notes
... The lowest level of organization is the individual organism . Organisms of a single species that share the same geographic location at the same time make up a population. A biological community is a group of interacting populations that occupy the same geographic area at the same time. ...
... The lowest level of organization is the individual organism . Organisms of a single species that share the same geographic location at the same time make up a population. A biological community is a group of interacting populations that occupy the same geographic area at the same time. ...
Determination of Primary Placeholder Habitat Associations in a Kelp
... format), and 4) addressing why your study is novel and adds to the field of ecology.]] Kelp forest ecosystem structure is [[dynamics are about changes through time]] thought to be affected by species [[primary placeholder is an awkward phrase that doesn’t make a lot of sense out of context]] associa ...
... format), and 4) addressing why your study is novel and adds to the field of ecology.]] Kelp forest ecosystem structure is [[dynamics are about changes through time]] thought to be affected by species [[primary placeholder is an awkward phrase that doesn’t make a lot of sense out of context]] associa ...
A leap forward in geographic scale for forest ectomycorrhizal fungi ox arsoum idartondo
... Selection of sites across the ICP network can be randomized, or based on a statistically rigorous algorithm that stratifies sampling across the variables hypothesized to control fungal distribution at multiple scales. Ensuring adequate sampling across these variables can lay the foundation for rigor ...
... Selection of sites across the ICP network can be randomized, or based on a statistically rigorous algorithm that stratifies sampling across the variables hypothesized to control fungal distribution at multiple scales. Ensuring adequate sampling across these variables can lay the foundation for rigor ...
A verbal model of predator
... product of prey and predator abundances (random encounters). 3. Predator populations grow based on the number of prey. Death rates are independent of prey abundance. ...
... product of prey and predator abundances (random encounters). 3. Predator populations grow based on the number of prey. Death rates are independent of prey abundance. ...
Microbial Ecology 微生物生态学
... • Methods used to study microbial interaction and microbial ecology provide information on environmental characteristics; microbial biomass. Numbers, types and activity, and community structure. Microscopic, chemical, enzymatic and molecular techniques are used in these studies. ...
... • Methods used to study microbial interaction and microbial ecology provide information on environmental characteristics; microbial biomass. Numbers, types and activity, and community structure. Microscopic, chemical, enzymatic and molecular techniques are used in these studies. ...
Evolution of life histories: fixing the theory
... seeds may remain dormant for >100 years, and in some desert plants. The box in the upper left has a ?. There are a number of approaches to indicate why that box should not be occupied by observed reproductive strategies. The most intuitive of them considers the effect of such a strategy on species i ...
... seeds may remain dormant for >100 years, and in some desert plants. The box in the upper left has a ?. There are a number of approaches to indicate why that box should not be occupied by observed reproductive strategies. The most intuitive of them considers the effect of such a strategy on species i ...
This article discusses the various hypotheses proposed to explain
... found that 5 to 8 years after the clear-cut, the species richness was increased by 30 to 35%. Haeussler pointed out that this increase in diversity came at a price: the clear-cut disturbance stripped the land of important soil organic layers causing a shift in the type of plants colonizing the regio ...
... found that 5 to 8 years after the clear-cut, the species richness was increased by 30 to 35%. Haeussler pointed out that this increase in diversity came at a price: the clear-cut disturbance stripped the land of important soil organic layers causing a shift in the type of plants colonizing the regio ...
Cloning and sequencing of glutamate mutase component E from
... Holloway postulated a binding motif in subunit S [18]. Using all known B 12-containing proteins, we could not find evidence for a general use of this motif in other proteins nor for any other significant motif in subunit E, shared with other proteins. It appears that B12 binding pockets may have fou ...
... Holloway postulated a binding motif in subunit S [18]. Using all known B 12-containing proteins, we could not find evidence for a general use of this motif in other proteins nor for any other significant motif in subunit E, shared with other proteins. It appears that B12 binding pockets may have fou ...
Genetic assimilation: a review of its potential proximate causes and
... 2003), when selection acts on quantitative genetic variation regulating the expression of an initially environmentally induced trait, it can promote the evolution of either increased or decreased plasticity through the process known as ‘genetic accommodation’ (Fig. 1). Formally, genetic accommodatio ...
... 2003), when selection acts on quantitative genetic variation regulating the expression of an initially environmentally induced trait, it can promote the evolution of either increased or decreased plasticity through the process known as ‘genetic accommodation’ (Fig. 1). Formally, genetic accommodatio ...
Ecological Niches and Diversity Maintenance
... Why do some places have much higher diversity than others? Explaining patterns of species diversity on the earth is a problem of long-standing for ecologists. Numerous diversity patterns have been documented [1], but the mechanisms behind these patterns remain poorly understood. If we knew the mecha ...
... Why do some places have much higher diversity than others? Explaining patterns of species diversity on the earth is a problem of long-standing for ecologists. Numerous diversity patterns have been documented [1], but the mechanisms behind these patterns remain poorly understood. If we knew the mecha ...
MOLECULAR, CELLULAR, AND DEVELOPMENTAL BIOLOGY Curriculum Requirements for MCDB
... curriculum but need to complete only two of the three components in molecular biology, cell biology, or developmental biology. Additional coursework for both Ph.D. and M.S. degrees may be selected by the student in consultation with his/her Program of Study (POS) Committee to meet departmental requi ...
... curriculum but need to complete only two of the three components in molecular biology, cell biology, or developmental biology. Additional coursework for both Ph.D. and M.S. degrees may be selected by the student in consultation with his/her Program of Study (POS) Committee to meet departmental requi ...
Refining mimicry: phenotypic variation tracks the local
... environmental trade-offs. Drift, mutations, environmental plasticity or hybridization are different sources of variation which can affect the accuracy of similarity and dissimilarity of phenotypes within and between species of the mimicry ring. In addition, specific genetic architectures can favour ...
... environmental trade-offs. Drift, mutations, environmental plasticity or hybridization are different sources of variation which can affect the accuracy of similarity and dissimilarity of phenotypes within and between species of the mimicry ring. In addition, specific genetic architectures can favour ...
English - SciELO Costa Rica
... transects in each locality from 05:45 to 09:00 h. Our goal is to describe the patterns of species richness and species abundances of Costa Rican highland birds. Additionally, we test whether species richness decreases with elevation or habitat available across localities. Focal species: The Costa Ri ...
... transects in each locality from 05:45 to 09:00 h. Our goal is to describe the patterns of species richness and species abundances of Costa Rican highland birds. Additionally, we test whether species richness decreases with elevation or habitat available across localities. Focal species: The Costa Ri ...