Why Marine Islands Are Farther Apart in the Tropics
... Pearse et al. 1991; O’Connor et al. 2007; Valentine and Jablonski. 2010; Marshall et al. 2012). There are additional complications. Some marine invertebrates and fish have aplanktonic larvae; their lecithotrophic eggs are attached to a substrate or brooded by a parent rather than being released into ...
... Pearse et al. 1991; O’Connor et al. 2007; Valentine and Jablonski. 2010; Marshall et al. 2012). There are additional complications. Some marine invertebrates and fish have aplanktonic larvae; their lecithotrophic eggs are attached to a substrate or brooded by a parent rather than being released into ...
- University of East Anglia
... Adult spiders were identified to species following Roberts (1987; 1996); juvenile and ...
... Adult spiders were identified to species following Roberts (1987; 1996); juvenile and ...
Turner Sasina Research Paper Draft Env340A BROOK TROUT
... streams that are rocky, well-shaded, well oxygenated, and clean and clear (National Park Service 2014). Book trout tend to prefer water temperatures of around 20 Celsius in the warmest of months (National Park Service 2014) Brook trout are sensitive to temperature effects because they are exothermic ...
... streams that are rocky, well-shaded, well oxygenated, and clean and clear (National Park Service 2014). Book trout tend to prefer water temperatures of around 20 Celsius in the warmest of months (National Park Service 2014) Brook trout are sensitive to temperature effects because they are exothermic ...
Weak and variable relationships between environmental severity
... For the whole community represented by a speciesby-sites presence-absence matrix (or for an individual 1-m2 plot in our case), the C-score is the average number of checkerboard units across all possible species pairs (Stone & Roberts 1990). If competition mainly drives fine-scale co-occurrence patte ...
... For the whole community represented by a speciesby-sites presence-absence matrix (or for an individual 1-m2 plot in our case), the C-score is the average number of checkerboard units across all possible species pairs (Stone & Roberts 1990). If competition mainly drives fine-scale co-occurrence patte ...
At high densities kangaroo grazing can reduce biodiversity
... reduce the quality of habitat for some species of legless lizards and the three-toe earless skink; (6) reduce the occurrence of the vulnerable striped legless lizard; (7) reduce the quality of habitat for many species of bird; and (8) reduce the quality of habitat for endangered eastern barred bandi ...
... reduce the quality of habitat for some species of legless lizards and the three-toe earless skink; (6) reduce the occurrence of the vulnerable striped legless lizard; (7) reduce the quality of habitat for many species of bird; and (8) reduce the quality of habitat for endangered eastern barred bandi ...
Full text in pdf format
... more than 1 m2. There are different ways to estimate the size of the patches, e.g. assessment of the degree of conformity between actual distribution and one of the theoretical models, each of which has its own quantitative characteristics of patchiness. However, in our opinion this approach is very ...
... more than 1 m2. There are different ways to estimate the size of the patches, e.g. assessment of the degree of conformity between actual distribution and one of the theoretical models, each of which has its own quantitative characteristics of patchiness. However, in our opinion this approach is very ...
Do subordinate species punch above their weight? Evidence from
... subordinate species (Trifolium pratense) improved soil C and N storage, whereas a second subordinate (Achillea millefolium) promoted nutrient sequestration in plant tissue. Together, these findings slightly modify the ‘mass ratio hypothesis’ (Grime, 1998) by showing that, not only dominant species, ...
... subordinate species (Trifolium pratense) improved soil C and N storage, whereas a second subordinate (Achillea millefolium) promoted nutrient sequestration in plant tissue. Together, these findings slightly modify the ‘mass ratio hypothesis’ (Grime, 1998) by showing that, not only dominant species, ...
Summary - Census of Marine Life Secretariat
... Put a man on the moon by 1970. This was the "Grand Challenge" (Briscoe, pers. com.) that mesmerized the public and galvanized much of the scientific community of the US in the 1960s. Yet the goal itself (a man standing on the moon) was actually relatively meaningless. The meaning behind the challeng ...
... Put a man on the moon by 1970. This was the "Grand Challenge" (Briscoe, pers. com.) that mesmerized the public and galvanized much of the scientific community of the US in the 1960s. Yet the goal itself (a man standing on the moon) was actually relatively meaningless. The meaning behind the challeng ...
Document
... What it means: •Two organisms that live together •Temporarily or for a longer time •At least one of the organisms benefits from the relationship ...
... What it means: •Two organisms that live together •Temporarily or for a longer time •At least one of the organisms benefits from the relationship ...
paper - institute for theoretical physics cologne
... We assume that the competition matrix bij is symmetric and all its elements are nonnegative. We further assume for convenience that the matrix is positive definite. It can be proven that these hypothesis hold if the competition terms arise in an effective way through the dynamics of underlying resou ...
... We assume that the competition matrix bij is symmetric and all its elements are nonnegative. We further assume for convenience that the matrix is positive definite. It can be proven that these hypothesis hold if the competition terms arise in an effective way through the dynamics of underlying resou ...
Compensatory measures
... the special areas of conservation, the deterioration of natural habitats and the habitats of species as well as disturbance of the species for which the areas have been designated. Art. 6(3): Any plan or project likely to have a significant effect on a Natura 2000 site shall be subject to appropri ...
... the special areas of conservation, the deterioration of natural habitats and the habitats of species as well as disturbance of the species for which the areas have been designated. Art. 6(3): Any plan or project likely to have a significant effect on a Natura 2000 site shall be subject to appropri ...
Immigration and the Maintenance of Local Species Diversity
... I i and ci because both are linked to the seed production and dispersal abilities of species i. Three scenarios are then possible: (1) Parameters I i and ci are independent; that is, a species’ immigration rate is unrelated to its potential reproduction rate. This is the typical case in island bioge ...
... I i and ci because both are linked to the seed production and dispersal abilities of species i. Three scenarios are then possible: (1) Parameters I i and ci are independent; that is, a species’ immigration rate is unrelated to its potential reproduction rate. This is the typical case in island bioge ...
Kappel (2005) - the Biology Department
... “potential” (uncertain or future), as indiFisheries Department 2004); thus, overexploitation has cated by the listing agency (Table 1). Major and minor the potential to be a major threat to both target and non- threats were not separated, as this information was not contarget species through direct ...
... “potential” (uncertain or future), as indiFisheries Department 2004); thus, overexploitation has cated by the listing agency (Table 1). Major and minor the potential to be a major threat to both target and non- threats were not separated, as this information was not contarget species through direct ...
Do persistent rare species experience stronger negative frequency
... Asymmetric NFD and persistent rare species general importance to the coexistence and persistence of rare species. Challenges to estimating asymmetric NFD Using NFD as an indicator of the relative strength of intraand interspecific effects is relatively easy because it relies only on abundance data. ...
... Asymmetric NFD and persistent rare species general importance to the coexistence and persistence of rare species. Challenges to estimating asymmetric NFD Using NFD as an indicator of the relative strength of intraand interspecific effects is relatively easy because it relies only on abundance data. ...
Plant species traits and capacity for resource reduction predict yield
... of N-limited plant species to test empirically whether the R* values of competing species are correlated with their abundance, not in pairwise interactions, but in interactions among numerous species. Following the theory of Tilman (1982) and the experiments of Tilman & Wedin (1991a, 1991b), we meas ...
... of N-limited plant species to test empirically whether the R* values of competing species are correlated with their abundance, not in pairwise interactions, but in interactions among numerous species. Following the theory of Tilman (1982) and the experiments of Tilman & Wedin (1991a, 1991b), we meas ...
Latitudinal gradients and geographic ranges of
... distribution of naturalized species. Second, patterns could exist that vary qualitatively among taxonomic groups or continents, e.g. mammals showing one pattern in North America and plants showing another in Europe. This would imply that the common set of factors that cause native species patterns t ...
... distribution of naturalized species. Second, patterns could exist that vary qualitatively among taxonomic groups or continents, e.g. mammals showing one pattern in North America and plants showing another in Europe. This would imply that the common set of factors that cause native species patterns t ...
Build Your Own Ocean Food Web!
... the teacher will pose a number of questions about what happens if a particular organism increases or decreases in abundance. When an organism increases in abundance, the student playing this organism will raise his/her hand. A decrease in abundance is indicated by a student sitting down at a desk or ...
... the teacher will pose a number of questions about what happens if a particular organism increases or decreases in abundance. When an organism increases in abundance, the student playing this organism will raise his/her hand. A decrease in abundance is indicated by a student sitting down at a desk or ...
Biotic modifiers, environmental modulation and species
... disturbance rates, soils and the atmospheric chemical composition. Biotic modifiers may profoundly transform the projected environmental conditions, and consequently have a significant impact on the predicted occurrence of the focal species in species distribution models (SDMs). This applies especia ...
... disturbance rates, soils and the atmospheric chemical composition. Biotic modifiers may profoundly transform the projected environmental conditions, and consequently have a significant impact on the predicted occurrence of the focal species in species distribution models (SDMs). This applies especia ...
Succession - The Keep - Eastern Illinois University
... specific mechanism within each of these general causes or on the importance of these general causes relative to each other. As specific mechanisms and their relative importance are likely to vary dramatically among locations, we will focus primarily on the general causes. ...
... specific mechanism within each of these general causes or on the importance of these general causes relative to each other. As specific mechanisms and their relative importance are likely to vary dramatically among locations, we will focus primarily on the general causes. ...
migration - Princeton University
... ties together ecological communities in different regions. Thus, defining migration in ecological terms of a species’ use of space over time is imperative to understanding its functional impacts on biodiversity. However, one also needs to ask, does biodiversity refer to just the specific organisms fou ...
... ties together ecological communities in different regions. Thus, defining migration in ecological terms of a species’ use of space over time is imperative to understanding its functional impacts on biodiversity. However, one also needs to ask, does biodiversity refer to just the specific organisms fou ...
Meso and Mega-herbivores of Balule
... number of days that they are seen on the reserve. In closed systems elephants have a measurable constant impact on the habitat, however in an open system where elephants disperse, the localized effect would be anticipated to be less (Loarie, van Aarde & Pimm, 2009). It is for this reason the WEI tea ...
... number of days that they are seen on the reserve. In closed systems elephants have a measurable constant impact on the habitat, however in an open system where elephants disperse, the localized effect would be anticipated to be less (Loarie, van Aarde & Pimm, 2009). It is for this reason the WEI tea ...
From individuals to populations to communities A dynamic energy
... Marine ecosystems are submitted to strong anthropogenic pressures, directly through the effects of fisheries, pollutions and ocean acidification and indirectly through the effects of climate changes and their interaction with natural climate variability. Understanding and predicting those effects and ...
... Marine ecosystems are submitted to strong anthropogenic pressures, directly through the effects of fisheries, pollutions and ocean acidification and indirectly through the effects of climate changes and their interaction with natural climate variability. Understanding and predicting those effects and ...
Chapter 14 Study Guide A-Answers
... that stays about the same from birth to death. _________ 8. Fish, amphibians, and plants produce large numbers of young. The young of these organisms have a high death rate. _________ 9. Lions and other large mammals care for their young. The young of ...
... that stays about the same from birth to death. _________ 8. Fish, amphibians, and plants produce large numbers of young. The young of these organisms have a high death rate. _________ 9. Lions and other large mammals care for their young. The young of ...
Species Recognition, Dewlap Function and Faunal Size In Rand
... but the differences in dewlap are extremely sharp: A. krugi, orange; A. pulchellus, crimson; A. poncensis, white; (Schmidt, 1926). Although size difference in adults is a ready species recognition character, because of the species-packing on the large islands, ecological constraints reduce the possi ...
... but the differences in dewlap are extremely sharp: A. krugi, orange; A. pulchellus, crimson; A. poncensis, white; (Schmidt, 1926). Although size difference in adults is a ready species recognition character, because of the species-packing on the large islands, ecological constraints reduce the possi ...
The Nonconcept of Species Diversity: A Critique and Alternative
... (Dickman 1968). A species' importance is not neces- has to the individuals and populations in a commusarily reflected by its relative contribution to the H' nity. It has not been shown that information theovalue for the community. Despite its past use in more retic indices have any greater biologica ...
... (Dickman 1968). A species' importance is not neces- has to the individuals and populations in a commusarily reflected by its relative contribution to the H' nity. It has not been shown that information theovalue for the community. Despite its past use in more retic indices have any greater biologica ...