Marine seaweed invasions Josefin Sagerman Impacts and biotic resistance in native ecosystems
... Meta-analyses from terrestrial environment show that leaf traits are the most important determinants of both productivity and decomposition rates in plant communities (Wright et al. 2004; Cornwell et al. 2008). Thus, species traits can be expected to affect the rate of productivity and decomposition ...
... Meta-analyses from terrestrial environment show that leaf traits are the most important determinants of both productivity and decomposition rates in plant communities (Wright et al. 2004; Cornwell et al. 2008). Thus, species traits can be expected to affect the rate of productivity and decomposition ...
Ecological Modelling Mathematical model of livestock and
... combines the concepts of metapopulations and patches dynamics, and includes an explicit hierarchical competition between species, which affects their prospect to colonize an empty patch when having to compete with other species. We perform numerical simulations of spatially extended metapopulations ...
... combines the concepts of metapopulations and patches dynamics, and includes an explicit hierarchical competition between species, which affects their prospect to colonize an empty patch when having to compete with other species. We perform numerical simulations of spatially extended metapopulations ...
Roles of parasites in animal invasions
... Parasites have detrimental effects on the survival and ...
... Parasites have detrimental effects on the survival and ...
Full text in pdf format
... clams, adapted to the environmental severity. Both species richness and densities increased along the depth gradient, and the community became dominated by polychaetes, nematodes and nemerteans. Seawards, within the relict sediments (deeper than 25 m), species richness and abundance decreased again. ...
... clams, adapted to the environmental severity. Both species richness and densities increased along the depth gradient, and the community became dominated by polychaetes, nematodes and nemerteans. Seawards, within the relict sediments (deeper than 25 m), species richness and abundance decreased again. ...
Competitive ability of the epilithic moss Thuidium
... been recognized: turfs – plants with parallel upright shoots, smooth mats – with dense and interwoven shoots extending horizontally, and wefts- with loose inter-twining shoots often ascending (Gimingham & Cunninghan 1957). Species also have exclusive traits such as flagelliform branches that may be ...
... been recognized: turfs – plants with parallel upright shoots, smooth mats – with dense and interwoven shoots extending horizontally, and wefts- with loose inter-twining shoots often ascending (Gimingham & Cunninghan 1957). Species also have exclusive traits such as flagelliform branches that may be ...
Chapter 2
... sense, two plants do not compete as long as the water-content and nutrients, the heat and light ...
... sense, two plants do not compete as long as the water-content and nutrients, the heat and light ...
6 Plant-plant interactions mediated by other trophic levels
... Subvention: positive effects between plants ............................................................... 17 3.1 Water flow and nutrient redistribution ................................................................ 17 3.2 Ambient conditions (temperature, evapotranspiration and wind) ............ ...
... Subvention: positive effects between plants ............................................................... 17 3.1 Water flow and nutrient redistribution ................................................................ 17 3.2 Ambient conditions (temperature, evapotranspiration and wind) ............ ...
On the integration of biotic interaction and
... We now apply the complete probability formula as defined in to get the probability of observing one assemblage at t dt given its state at t. This is where the main benefit of Markov chain models is: it allows us to derivate exact solutions for the probabilities for assemblages, instead of a set of ...
... We now apply the complete probability formula as defined in to get the probability of observing one assemblage at t dt given its state at t. This is where the main benefit of Markov chain models is: it allows us to derivate exact solutions for the probabilities for assemblages, instead of a set of ...
Honors Biology notes
... B. measuring populations and their distribution (Fig 36.2) C. population growth depends on birth and death rates 1. exponential growth produces a “J-shaped” curve (fig. 36.4A) 2. growth is eventually limited by resources, producing an “Sshaped” curve (fig. 36.4C) 3. the maximum sustainable number is ...
... B. measuring populations and their distribution (Fig 36.2) C. population growth depends on birth and death rates 1. exponential growth produces a “J-shaped” curve (fig. 36.4A) 2. growth is eventually limited by resources, producing an “Sshaped” curve (fig. 36.4C) 3. the maximum sustainable number is ...
Ecological Character Displacement in Adaptive Radiation
... detrimental interaction between prey species sharing a predator (Holt 1977; Abrams 2000, in this issue). One can go further and apply the term to shifts caused by other mutually antagonistic interactions as well, such as intraguild predation, interspecific killing, and behavioral interference. Here, ...
... detrimental interaction between prey species sharing a predator (Holt 1977; Abrams 2000, in this issue). One can go further and apply the term to shifts caused by other mutually antagonistic interactions as well, such as intraguild predation, interspecific killing, and behavioral interference. Here, ...
The role of intra-specific trait variability in plankton biodiversity: a
... individual level: feeding, motility, resource uptake, sex ...
... individual level: feeding, motility, resource uptake, sex ...
From individuals to populations to communities A dynamic energy
... relationships and are represented with no explicit consideration of the physiology and life history of individuals. They thus neglect important phenomenon such as the importance of size in controlling metabolism (Gillooly et al., 2001), predator–prey interactions (Shin and Cury, 2004) and life-histo ...
... relationships and are represented with no explicit consideration of the physiology and life history of individuals. They thus neglect important phenomenon such as the importance of size in controlling metabolism (Gillooly et al., 2001), predator–prey interactions (Shin and Cury, 2004) and life-histo ...
Biodiversity, Stability, and Productivity in Competitive Communities
... pend on diversity. Throughout the article, we use “diversity” to mean simply the total number of species in a community. Despite the differences among the models, all revealed consistent effects of diversity on temporal stability: community variability decreased and population variability increased ...
... pend on diversity. Throughout the article, we use “diversity” to mean simply the total number of species in a community. Despite the differences among the models, all revealed consistent effects of diversity on temporal stability: community variability decreased and population variability increased ...
Environmental correlates of acorn production by four species of Minnesota oaks
... next. We included four D variables for all species consisting of the value in year -1 subtracted from the value in year 0, plus four additional D variables for the 2-year species consisting of the value in year -2 subtracted from the value in year -1 (Table 2). This second set of analyses was conduc ...
... next. We included four D variables for all species consisting of the value in year -1 subtracted from the value in year 0, plus four additional D variables for the 2-year species consisting of the value in year -2 subtracted from the value in year -1 (Table 2). This second set of analyses was conduc ...
Life Science
... The absence of the auxins in B allowed the buds to develop into lateral branches/ Removal of apical dominance and the presence of the auxins in C prevented the development of buds/ the presence of auxins lead to apical dominance ...
... The absence of the auxins in B allowed the buds to develop into lateral branches/ Removal of apical dominance and the presence of the auxins in C prevented the development of buds/ the presence of auxins lead to apical dominance ...
Integral projection models show exotic thistle is more limited than
... reduce population growth rate, log k, of the Eurasian thistle Cirsium vulgare sufficiently to explain its limited invasiveness in western tallgrass prairie; and (2) how do the effects of these interactions compare to those for C. altissimum, its co-occurring, synchronously-flowering native congener? ...
... reduce population growth rate, log k, of the Eurasian thistle Cirsium vulgare sufficiently to explain its limited invasiveness in western tallgrass prairie; and (2) how do the effects of these interactions compare to those for C. altissimum, its co-occurring, synchronously-flowering native congener? ...
Wildlife Forestry Aquatic Ecology CEI Soils/Land Use
... Teams are comprised of five members. The team members study: soils/land use, aquatic ecology, forestry, wildlife and current environmental issues during the school year. In the spring, there are eight regional competitions in North Carolina. Our region will host the Southern Piedmont Envirothon comp ...
... Teams are comprised of five members. The team members study: soils/land use, aquatic ecology, forestry, wildlife and current environmental issues during the school year. In the spring, there are eight regional competitions in North Carolina. Our region will host the Southern Piedmont Envirothon comp ...
Hydrological niches in terrestrial plant communities: A review
... soil-moisture gradients, (ii) partitioning of water as a resource, and/or (iii) partitioning ...
... soil-moisture gradients, (ii) partitioning of water as a resource, and/or (iii) partitioning ...
Coevolutionary Dynamics and the Conservation of Mutualisms
... a time. However, many of the anthropogenic threats that species face occur via disrupted or enhanced interactions with other organisms. According to one recent analysis, interactions with introduced species, such as predators, parasites, and pathogens, are the eighth leading cause of species endange ...
... a time. However, many of the anthropogenic threats that species face occur via disrupted or enhanced interactions with other organisms. According to one recent analysis, interactions with introduced species, such as predators, parasites, and pathogens, are the eighth leading cause of species endange ...