Biodiversity, Habitat Area, Resource Growth Rate and Interference
... or loss term for the consumer. Even if the effect is a gradual one, such as when premature death results from wounding or the devotion of substantial energetic resources to aggressive behaviors, it may be appropriate to include a mortality or loss term to capture the wastage effect. The effects of s ...
... or loss term for the consumer. Even if the effect is a gradual one, such as when premature death results from wounding or the devotion of substantial energetic resources to aggressive behaviors, it may be appropriate to include a mortality or loss term to capture the wastage effect. The effects of s ...
Section 4 - Chandler Unified School District / Overview
... • Barnacles feed of nutrients in the ocean, plankton and algae. • They usually live in coastal regions, or at least in shallow water where sunlight is readily ...
... • Barnacles feed of nutrients in the ocean, plankton and algae. • They usually live in coastal regions, or at least in shallow water where sunlight is readily ...
Review of the NSW Threatened Species Priorities Action Statement
... Through the PAS, NSW has become one of the first jurisdictions in the world to formally document the management requirements of its threatened species, populations and communities. This represents an important first step in the very large and complex task of recovering more than 1,000 threatened spe ...
... Through the PAS, NSW has become one of the first jurisdictions in the world to formally document the management requirements of its threatened species, populations and communities. This represents an important first step in the very large and complex task of recovering more than 1,000 threatened spe ...
Species selection in hardwoods research
... taken in triplicate. Average daily greenhouse air temperatures ranged between 23.2°C−23.7°C during the period when data measurements were taken. The highest and lowest recorded temperatures in the greenhouse during the study were 18.4°C and 30.7°C (these numbers indicate the coolest and warmest temp ...
... taken in triplicate. Average daily greenhouse air temperatures ranged between 23.2°C−23.7°C during the period when data measurements were taken. The highest and lowest recorded temperatures in the greenhouse during the study were 18.4°C and 30.7°C (these numbers indicate the coolest and warmest temp ...
Rapid diversity and abundance decline in a Caribbean coral reef
... the 16 m2. The most striking result was the steady loss of species throughout the 14 years census period (Table 1, Fig. 1(a)). Half of the original species (20/39 species) disappeared from the censused community during the study. Only three additional species colonized; and one species dwindled to z ...
... the 16 m2. The most striking result was the steady loss of species throughout the 14 years census period (Table 1, Fig. 1(a)). Half of the original species (20/39 species) disappeared from the censused community during the study. Only three additional species colonized; and one species dwindled to z ...
PowerPoint Presentation - Patterns of Succession
... • Change through time is a natural characteristic of most ecosystems - when thinking about conservation need to incorporate understanding of natural disturbance regimes • Mosaic of Patches in different stages of succession maximizes habitat heterogeneity and thus diversity ...
... • Change through time is a natural characteristic of most ecosystems - when thinking about conservation need to incorporate understanding of natural disturbance regimes • Mosaic of Patches in different stages of succession maximizes habitat heterogeneity and thus diversity ...
in Jaú National Park, Amazonas, Brazil
... We sampled crocodilian populations during 30 surveys over a period of four years in five study areas. We found the mean abundance of caiman species to be very low (1.0 ± 0.5 caiman/km of shoreline), independent of habitat type (river, stream or lake) and season. While abundance was almost equal, the ...
... We sampled crocodilian populations during 30 surveys over a period of four years in five study areas. We found the mean abundance of caiman species to be very low (1.0 ± 0.5 caiman/km of shoreline), independent of habitat type (river, stream or lake) and season. While abundance was almost equal, the ...
TEAM 2 QUEST 06 PAPER
... the Intermediate Disturbance Hypothesis (Hughes and Connell 1999) to be supported through the analysis of coral and algal species composition. Wave action is a physical disturbance that presumeably varies among depths at Ke’ei. Wave action is likely to be highest on the reef flat (15 ft), lowest at ...
... the Intermediate Disturbance Hypothesis (Hughes and Connell 1999) to be supported through the analysis of coral and algal species composition. Wave action is a physical disturbance that presumeably varies among depths at Ke’ei. Wave action is likely to be highest on the reef flat (15 ft), lowest at ...
Variable elements of metacommunity structure across an aquatic
... general rules, more attention needs to be placed on functional trait-based approaches (McGill et al. 2006). Traits are beneficial for examining key ecological processes, such as the interaction between disturbance frequency and availability of refugia in streams (Townsend et al. 1997), and likely ov ...
... general rules, more attention needs to be placed on functional trait-based approaches (McGill et al. 2006). Traits are beneficial for examining key ecological processes, such as the interaction between disturbance frequency and availability of refugia in streams (Townsend et al. 1997), and likely ov ...
Assessing ecological specialization of an ant–seed dispersal
... commonness of the generalized ant–plant mutualism is due to: (1) the huge variation over space and time in ant assemblages and in the variable benefits provided by different ant species (Rudgers and Strauss 2004, Manzaneda et al. 2005, Ness et al. 2006), (2) the nonselective yet high attractiveness o ...
... commonness of the generalized ant–plant mutualism is due to: (1) the huge variation over space and time in ant assemblages and in the variable benefits provided by different ant species (Rudgers and Strauss 2004, Manzaneda et al. 2005, Ness et al. 2006), (2) the nonselective yet high attractiveness o ...
The influence of interspecific interactions on species range
... there is evidence that generalist consumers colonize more rapidly than specialists (Holt 2010, Gravel et al. 2011), and the same pattern is likely to arise as communities shift in continental settings. This then would lower growth rates, and hence invasion speed, of some of the original prey specie ...
... there is evidence that generalist consumers colonize more rapidly than specialists (Holt 2010, Gravel et al. 2011), and the same pattern is likely to arise as communities shift in continental settings. This then would lower growth rates, and hence invasion speed, of some of the original prey specie ...
seasonality in an evergreen tropical mountain rainforest in southern
... observed at the intra- and interspecific levels. Except one species that flowered more or less continuously, two groups of trees could be distinguished, of which one flowered during the less humid months (starting September/October) while the second initiated flowering towards the end of that phase ...
... observed at the intra- and interspecific levels. Except one species that flowered more or less continuously, two groups of trees could be distinguished, of which one flowered during the less humid months (starting September/October) while the second initiated flowering towards the end of that phase ...
Genetic diversity in widespread species is not congruent with
... (Struebig et al. 2011) and stream fishes (Blum et al. 2012). The relationship between species richness and genetic diversity at the plot level probably comprise scale-dependent effects, which could result in inconsistent outcomes. Hence, the issue of a possible correlation between genetic diversity ...
... (Struebig et al. 2011) and stream fishes (Blum et al. 2012). The relationship between species richness and genetic diversity at the plot level probably comprise scale-dependent effects, which could result in inconsistent outcomes. Hence, the issue of a possible correlation between genetic diversity ...
Thompson 2009 - Department of Biology
... 1981; Thompson 1988, 1998b). The major differences in host choice are governed by sex-linked genes, and the differences in larval performance on different hosts appear to be governed by autosomal genes (Thompson et al. 1990; Thompson 2008). The result is an almost continuous gradient within this cla ...
... 1981; Thompson 1988, 1998b). The major differences in host choice are governed by sex-linked genes, and the differences in larval performance on different hosts appear to be governed by autosomal genes (Thompson et al. 1990; Thompson 2008). The result is an almost continuous gradient within this cla ...
Guns, Germs and Steel
... found in areas of high isolation: the former have been favored by the nature and location of heir homelands. The parallel to biologic evolution is significant. Invention begins by small increments of insight, variant ideas that gain acceptance under a favorable cultural climate. Variation follows on ...
... found in areas of high isolation: the former have been favored by the nature and location of heir homelands. The parallel to biologic evolution is significant. Invention begins by small increments of insight, variant ideas that gain acceptance under a favorable cultural climate. Variation follows on ...
Biodiversity as spatial insurance: the effects of habitat fragmentation
... complete understanding of the spatial processes affecting the relationship between biodiversity and ecosystem functioning at landscape (e.g. more than one ecosystem), regional, or global scales (Gonzalez and Chaneton 2002, Rantalainen et al. 2005, Srivastava and Velland 2005, Dobson et al. 2006). Th ...
... complete understanding of the spatial processes affecting the relationship between biodiversity and ecosystem functioning at landscape (e.g. more than one ecosystem), regional, or global scales (Gonzalez and Chaneton 2002, Rantalainen et al. 2005, Srivastava and Velland 2005, Dobson et al. 2006). Th ...
What does biodiversity actually do? A review for managers and
... by either assembly (sequentially adding random species) or disassembly approaches (sequentially removing species at random). The assembly approach has been criticized because it is sensitive to sampling effects. If a single species (‘species A’) contributes disproportionately to EF, as more and more ...
... by either assembly (sequentially adding random species) or disassembly approaches (sequentially removing species at random). The assembly approach has been criticized because it is sensitive to sampling effects. If a single species (‘species A’) contributes disproportionately to EF, as more and more ...
msc_botnay_final_pap6_bl1 - Madhya Pradesh Bhoj Open
... species, which are dominant trees and observed the overlapping along gradient. To find out the continuum in the continuity, population species and community is arranged in ordered form, for which different techniques are used. These techniques are called as ordination techniques and ordering the spe ...
... species, which are dominant trees and observed the overlapping along gradient. To find out the continuum in the continuity, population species and community is arranged in ordered form, for which different techniques are used. These techniques are called as ordination techniques and ordering the spe ...
Case Study: black and white and spread all over Species
... Exploitation: parasitism • Parasitism = a relationship in which one organism (parasite) depends on another (host) - For nourishment or some other benefit - The parasite harms, but doesn’t kill, the host • Some are free-living - Infrequent contact with their hosts - Ticks, sea lampreys - Brown headed ...
... Exploitation: parasitism • Parasitism = a relationship in which one organism (parasite) depends on another (host) - For nourishment or some other benefit - The parasite harms, but doesn’t kill, the host • Some are free-living - Infrequent contact with their hosts - Ticks, sea lampreys - Brown headed ...
Rare plants rediscovered in the Northern Cape
... The Bureau of Land Management is working with RBG Kew to collect seed from US native species that could be useful for restoration purposes. Currently 29% of the US flora is threatened, and native plant communities are at continuing risk from wild fires and invasion by introduced species. The project ...
... The Bureau of Land Management is working with RBG Kew to collect seed from US native species that could be useful for restoration purposes. Currently 29% of the US flora is threatened, and native plant communities are at continuing risk from wild fires and invasion by introduced species. The project ...
Traits underpinning desiccation resistance explain distribution
... Vision 4.8 and calculated the ventral surface area using the formula of the ellipse area. We are aware that this measurement does not encompass the total surface area where transpiration occurs, but it does cover the largest part of the transpiring surface (Warburg 1993). Moreover, as the morphology ...
... Vision 4.8 and calculated the ventral surface area using the formula of the ellipse area. We are aware that this measurement does not encompass the total surface area where transpiration occurs, but it does cover the largest part of the transpiring surface (Warburg 1993). Moreover, as the morphology ...
Integrating Different Organizational Levels in Benthic Biodiversity
... species richness alone could explain the significant differences among microcosms, but that the algal biomass was a joint function of both algal and bacterial diversity implying important interactions among functional groups (Naeem et al., 2000). Studies on microbial communities are very useful as t ...
... species richness alone could explain the significant differences among microcosms, but that the algal biomass was a joint function of both algal and bacterial diversity implying important interactions among functional groups (Naeem et al., 2000). Studies on microbial communities are very useful as t ...
The elephant in the room: the role of failed invasions
... radiata in Australia are scarce, despite being widely planted (Williams and Wardle 2007), while in South Africa and New Zealand, where P. radiata was extensively planted during the 19th and 20th centuries, invasive populations are common (Richardson 1998, Simberloff et al. 2010). In Argentina, P. r ...
... radiata in Australia are scarce, despite being widely planted (Williams and Wardle 2007), while in South Africa and New Zealand, where P. radiata was extensively planted during the 19th and 20th centuries, invasive populations are common (Richardson 1998, Simberloff et al. 2010). In Argentina, P. r ...
Population Dynamics of Soil and Vegetation Protozoa Newcomb
... and amoebae, together with their small size and difficulty in identification, render them less useful in quantitative studies than ciliates which encompass a wide range of aquatic to edaphic species. Thus, ciliates can serve as indicators of the microphagous group, and their comparison with the nutr ...
... and amoebae, together with their small size and difficulty in identification, render them less useful in quantitative studies than ciliates which encompass a wide range of aquatic to edaphic species. Thus, ciliates can serve as indicators of the microphagous group, and their comparison with the nutr ...
Understanding Our Environment
... Species - Organisms of the same kind that are able to breed in nature and produce fertile offspring. Underlying idea is that reproductive isolation prevents gene exchange and gives rise to new species. - Hybridization creates a dilemma. Species identification often based on morphological charact ...
... Species - Organisms of the same kind that are able to breed in nature and produce fertile offspring. Underlying idea is that reproductive isolation prevents gene exchange and gives rise to new species. - Hybridization creates a dilemma. Species identification often based on morphological charact ...
Bifrenaria
Bifrenaria, abbreviated Bif. in horticultural trade, is a genus of plant in family Orchidaceae. It contains 20 species found in Panama, Trinidad and South America. There are no known uses for them, but their abundant, and at first glance artificial, flowers, make them favorites of orchid growers.The genus can be split in two clearly distinct groups: one of highly robust plants with large flowers, that encompass the first species to be classified under the genus Bifrenaria; other of more delicate plants with smaller flowers occasionally classified as Stenocoryne or Adipe. There are two additional species that are normally classified as Bifrenaria, but which molecular analysis indicate to belong to different orchid groups entirely. One is Bifrenaria grandis which is endemic to Bolívia and which is now placed in Lacaena, and Bifrenaria steyermarkii, an inhabitant of the northern Amazon Forest, which does not have an alternative classification.