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... 1 was located at an elevation of 390 m, whereas experimental 1 was at an elevation of 400 m; control and experimental 2 were at an elevation of 470 m; and control and experimental 3 were at an elevation of 360 m. We began removing all A. gundlachi from the experimental plots on 24 June. During the f ...
... 1 was located at an elevation of 390 m, whereas experimental 1 was at an elevation of 400 m; control and experimental 2 were at an elevation of 470 m; and control and experimental 3 were at an elevation of 360 m. We began removing all A. gundlachi from the experimental plots on 24 June. During the f ...
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... Species are embedded in communities in which they interact in complex ways with other species. Complexity increases even further because population structure is not only determined by intraspecific interactions but also by interspecific interactions that all change as individuals grow. Which stages ...
... Species are embedded in communities in which they interact in complex ways with other species. Complexity increases even further because population structure is not only determined by intraspecific interactions but also by interspecific interactions that all change as individuals grow. Which stages ...
temperature, desiccation, and species performance trends
... growth and, in extreme cases, partial thallus mortality and biomass losses in intertidal seaweeds [5, 22]. Therefore, high stress emerges as the likely cause of the pronounced biomass losses experienced by the algal fragments experimentally transplanted to the high intertidal zone. Such losses could ...
... growth and, in extreme cases, partial thallus mortality and biomass losses in intertidal seaweeds [5, 22]. Therefore, high stress emerges as the likely cause of the pronounced biomass losses experienced by the algal fragments experimentally transplanted to the high intertidal zone. Such losses could ...
Predicting changes in the distribution and abundance of species
... Environmental changes are expected to alter both the distribution and the abundance of organisms. A disproportionate amount of past work has focused on distribution only, either documenting historical range shifts or predicting future occurrence patterns. However, simultaneous predictions of abundan ...
... Environmental changes are expected to alter both the distribution and the abundance of organisms. A disproportionate amount of past work has focused on distribution only, either documenting historical range shifts or predicting future occurrence patterns. However, simultaneous predictions of abundan ...
Leaf trait variation captures climate differences but differs with
... that characterize leaf structure properties and leaf chemical components (Cornelissen et al. 2003) for 92 woody plant species cultivated in the Beijing Botanical Garden (BBG) and in the Nanjing Botanical Garden (NBG). Both gardens have large plant collections with relatively long cultivation histori ...
... that characterize leaf structure properties and leaf chemical components (Cornelissen et al. 2003) for 92 woody plant species cultivated in the Beijing Botanical Garden (BBG) and in the Nanjing Botanical Garden (NBG). Both gardens have large plant collections with relatively long cultivation histori ...
SYMBIOSIS ACTIVITY BACKGROUND Two individuals of the same
... very specific interaction that may occur between the organisms is defined as symbiosis, a close, coevolutionary association between one species (host) and another species (symbiont). Species may interact in a variety of different ways: ...
... very specific interaction that may occur between the organisms is defined as symbiosis, a close, coevolutionary association between one species (host) and another species (symbiont). Species may interact in a variety of different ways: ...
Lobel et al.vp - Biodiversität, Evolution und Ökologie der Pflanzen
... bryophytes and lichens. Environmental effects, particularly soil pH, were more important than landscape structure. Interaction effects of soil pH with other environmental variables were significant in vascular plants. Plot heterogeneity enhanced species richness. Size and degree of isolation of dry ...
... bryophytes and lichens. Environmental effects, particularly soil pH, were more important than landscape structure. Interaction effects of soil pH with other environmental variables were significant in vascular plants. Plot heterogeneity enhanced species richness. Size and degree of isolation of dry ...
The role of biotic interactions in shaping distributions and realised
... probabilities of occurrence based on spatial patterns in certain other species at a given time. Inferring the identities of particular species interactions at a given place (predation, competition, etc.) cannot be done with statistical correlative methods of spatially explicit data without supplemen ...
... probabilities of occurrence based on spatial patterns in certain other species at a given time. Inferring the identities of particular species interactions at a given place (predation, competition, etc.) cannot be done with statistical correlative methods of spatially explicit data without supplemen ...
The role of biotic interactions in shaping distributions and realised
... probabilities of occurrence based on spatial patterns in certain other species at a given time. Inferring the identities of particular species interactions at a given place (predation, competition, etc.) cannot be done with statistical correlative methods of spatially explicit data without supplemen ...
... probabilities of occurrence based on spatial patterns in certain other species at a given time. Inferring the identities of particular species interactions at a given place (predation, competition, etc.) cannot be done with statistical correlative methods of spatially explicit data without supplemen ...
Allee effects, extinctions, and chaotic transients in simple population
... RESULTS The dynamics of populations with synchronized generations are described by difference equations of the form Nt+1 = Nt f (Nt ) ...
... RESULTS The dynamics of populations with synchronized generations are described by difference equations of the form Nt+1 = Nt f (Nt ) ...
The Theory of Natural Selection of Alfred Russel Wallace FRS
... population of each species is controlled at a constant level by Malthusian checks, such as the food supply and predation. (ii) The comparative abundance or scarcity of related species is determined by their relative level of adaptation, less well-adapted species being less abundant than better-adapt ...
... population of each species is controlled at a constant level by Malthusian checks, such as the food supply and predation. (ii) The comparative abundance or scarcity of related species is determined by their relative level of adaptation, less well-adapted species being less abundant than better-adapt ...
Ecological Significance of Within- Species Leaf Trait Variability: A
... The vast majority of studies on plant trait variability in local communities (i.e. at scales of meters to tens of meters) have focused on between-species trait variability, because this has long been seen as the main component of plant community response to changes in environmental conditions (Garni ...
... The vast majority of studies on plant trait variability in local communities (i.e. at scales of meters to tens of meters) have focused on between-species trait variability, because this has long been seen as the main component of plant community response to changes in environmental conditions (Garni ...
the macroevolutionary consequences of ecological differences
... a very long time. The time to extinction caused by species interactions depends critically on the ecological similarity of competing species (Hubbell 1979, 2001; Shmida and Ellner 1984; Shmida and Wilson 1985; Hubbell and Foster 1986; see review by Chave 2004). The more similar the species are in th ...
... a very long time. The time to extinction caused by species interactions depends critically on the ecological similarity of competing species (Hubbell 1979, 2001; Shmida and Ellner 1984; Shmida and Wilson 1985; Hubbell and Foster 1986; see review by Chave 2004). The more similar the species are in th ...
Chapter 52: An Introduction to Ecology and the Biosphere
... This section will look at interspecific interactions. Be clear on the meaning of the prefix! To begin, distinguish between intraspecific competition and interspecific competition. Give an example of each. Type of Explanation Example Competition Intraspecific competition Interspecific competition ...
... This section will look at interspecific interactions. Be clear on the meaning of the prefix! To begin, distinguish between intraspecific competition and interspecific competition. Give an example of each. Type of Explanation Example Competition Intraspecific competition Interspecific competition ...
Spatio-temporal community dynamics induced by frequency
... Conversely, accumulation of species-specific soil pathogens can increase seedling mortality in the area (negative frequency dependence). Because spatial structure in communities can have dramatic impacts on plant community dynamics (Czárán and Bartha, 1992; Herben et al., 2000), there has been an i ...
... Conversely, accumulation of species-specific soil pathogens can increase seedling mortality in the area (negative frequency dependence). Because spatial structure in communities can have dramatic impacts on plant community dynamics (Czárán and Bartha, 1992; Herben et al., 2000), there has been an i ...
Resource partitioning and overlap in three sympatric species of Ips
... both attraction and deterrence. For each species, R was calculated for each possible combination of heterospecific pheromones in both the presence and absence of the conspecific pheromones (values for Nwith and Nwithout were either with or without the conspecific signal). Because we had not anticipa ...
... both attraction and deterrence. For each species, R was calculated for each possible combination of heterospecific pheromones in both the presence and absence of the conspecific pheromones (values for Nwith and Nwithout were either with or without the conspecific signal). Because we had not anticipa ...
Community dynamics during early secondary succession in Mexican
... cattle pastures. Earlier Uhl (1987) examined growth, mortality and recruitment over 5 y following slash-andburn agriculture in one plot in the Amazon of Venezuela. A current debate links community structural attributes (e.g. basal area and plant size hierarchies) to concepts of asymmetric competitio ...
... cattle pastures. Earlier Uhl (1987) examined growth, mortality and recruitment over 5 y following slash-andburn agriculture in one plot in the Amazon of Venezuela. A current debate links community structural attributes (e.g. basal area and plant size hierarchies) to concepts of asymmetric competitio ...
Net Primary Productivity - Sonoma Valley High School
... – A species niche can change over time. – Generalists have ...
... – A species niche can change over time. – Generalists have ...
Functional diversity within a morphologically conservative genus of
... the lack of a significant difference in performance between monospecific cultures of species under the same environmental conditions (Chalcraft & Resetarits 2003a,b, Loreau 2004), or sensu Harris (1995) ‘in the absence of further information it would seem wise to avoid grouping together any species ...
... the lack of a significant difference in performance between monospecific cultures of species under the same environmental conditions (Chalcraft & Resetarits 2003a,b, Loreau 2004), or sensu Harris (1995) ‘in the absence of further information it would seem wise to avoid grouping together any species ...
Stability and Fragility in Arctic Ecosystems
... amplitude of climatic cyclical changes; to this oscillation the bioticsystemresponds by migration, by geographic shift, as is demonstrated for example in the recent changes in the marine populations inWest Greenland waters, involving cod, halibut, etc., (in fact the system as a whole), and very prob ...
... amplitude of climatic cyclical changes; to this oscillation the bioticsystemresponds by migration, by geographic shift, as is demonstrated for example in the recent changes in the marine populations inWest Greenland waters, involving cod, halibut, etc., (in fact the system as a whole), and very prob ...
Where less may be more: how the rare biosphere pulls
... resistance (Gobet et al., 2012). Many microbes can remain generally inactive and at low density most of the time, only becoming dominant when more favorable conditions arise (Aanderud et al., 2015). Biotic interactions also have also an important role in explaining rarity. An uncompetitive species m ...
... resistance (Gobet et al., 2012). Many microbes can remain generally inactive and at low density most of the time, only becoming dominant when more favorable conditions arise (Aanderud et al., 2015). Biotic interactions also have also an important role in explaining rarity. An uncompetitive species m ...
in the Rio Conejos of southern Colorado
... more synchronous emergence. Slopes > 5%/d were chosen to be indicative of synchronous emergence since species with these slopes emerged their entire population within a few days and had steep, j-shaped, cumulative emergence curves. Differences between slopes for 1988 and 1989 were tested using a mod ...
... more synchronous emergence. Slopes > 5%/d were chosen to be indicative of synchronous emergence since species with these slopes emerged their entire population within a few days and had steep, j-shaped, cumulative emergence curves. Differences between slopes for 1988 and 1989 were tested using a mod ...
Fabaceae total N input into these systems ( Woodmansee et al.,... (N) cycle of terrestrial ecosystems: they are often a signifi...
... rhizobial strain (Boddey et al., 2000; Unkovich et al., 2008). It is possible that this discrimination may be altered by temperature, but to our knowledge no studies have reported on this possibility. Understanding whether B values are altered by growing temperatures is essential for application of ...
... rhizobial strain (Boddey et al., 2000; Unkovich et al., 2008). It is possible that this discrimination may be altered by temperature, but to our knowledge no studies have reported on this possibility. Understanding whether B values are altered by growing temperatures is essential for application of ...
Symbiosis Activity
... ( - is negative, 0 is neutral and + is positive) 1. Amensalism (- , 0) -- in this interaction, one species suffers while the other is unaffected. An example is alleopathy where one species release a chemical substance to inhibit the growth of another species. 2. Competition (- , -) -- based upon a c ...
... ( - is negative, 0 is neutral and + is positive) 1. Amensalism (- , 0) -- in this interaction, one species suffers while the other is unaffected. An example is alleopathy where one species release a chemical substance to inhibit the growth of another species. 2. Competition (- , -) -- based upon a c ...