Relationships between body size and abundance in ecology
... emerges at large spatiotemporal scales when average (or possibly maximum) population densities are considered [10,24]. Given the scale at which the GSDR pattern is evident, it seems likely that the underlying processes are not strictly ecological, but that an evolutionary component also plays an imp ...
... emerges at large spatiotemporal scales when average (or possibly maximum) population densities are considered [10,24]. Given the scale at which the GSDR pattern is evident, it seems likely that the underlying processes are not strictly ecological, but that an evolutionary component also plays an imp ...
Ecology (NEW 2008)
... Fundamental vs. Realized Niche A. Fundamental: An organism’s full potential range of physical, chemical, biological conditions and resources it could theoretically use if there was no competition from other species. B. Realized: Range of resources it actually uses. ...
... Fundamental vs. Realized Niche A. Fundamental: An organism’s full potential range of physical, chemical, biological conditions and resources it could theoretically use if there was no competition from other species. B. Realized: Range of resources it actually uses. ...
saes1ext_lect_outline_ch09
... Case study: Nesting pairs of wood storks in the Florida Everglades experienced a rapid and serious decrease in population. In their efforts to restore the wood stork population to viable levels, scientists found that the entire ecosystem was at risk. ...
... Case study: Nesting pairs of wood storks in the Florida Everglades experienced a rapid and serious decrease in population. In their efforts to restore the wood stork population to viable levels, scientists found that the entire ecosystem was at risk. ...
14 -The Tidelands
... species-poor because normal marine species cannot survive there very well, nor can freshwater species, which lack adaptations for dealing with salt, can survive well here either. • It has been also suggested that the critical salinity range has very unusual ratios of ...
... species-poor because normal marine species cannot survive there very well, nor can freshwater species, which lack adaptations for dealing with salt, can survive well here either. • It has been also suggested that the critical salinity range has very unusual ratios of ...
Ecological and Evolutionary Consequences of
... small offshore islands as a result of the availability of the bird pollinators for pollination? a. On the mainland (few pollinators), birth rate is low and population size will likely decrease. ...
... small offshore islands as a result of the availability of the bird pollinators for pollination? a. On the mainland (few pollinators), birth rate is low and population size will likely decrease. ...
The 100th of the world`s worst invasive alien species
... Biological invasions might also increase further in the future because of global environmental changes, in particular climate and land use changes (Walther et al. 2009; Bellard et al. 2013). ...
... Biological invasions might also increase further in the future because of global environmental changes, in particular climate and land use changes (Walther et al. 2009; Bellard et al. 2013). ...
Sympatric speciation
... hybrids, but breakdown occurs in the next generation when offspring of hybrids die as seeds or grow into weak and defective plants. ...
... hybrids, but breakdown occurs in the next generation when offspring of hybrids die as seeds or grow into weak and defective plants. ...
Conservation Biology
... necessary ecological attributes and none can survive alone, no healthy ecosystem can function without its primary component species. Most of these species are arthropods and other small organisms. Thus, all species are important and every species has an inherent biological right to exist in an ecolo ...
... necessary ecological attributes and none can survive alone, no healthy ecosystem can function without its primary component species. Most of these species are arthropods and other small organisms. Thus, all species are important and every species has an inherent biological right to exist in an ecolo ...
Rotho pascuorum paper
... an estimate of the total number of colonies within foraging range of each site sampled ...
... an estimate of the total number of colonies within foraging range of each site sampled ...
(1999) - The conservation of brackish
... There is a marked contrast between the theory and the practice of conservation in terrestrial environments on the one hand and in most aquatic environments, including those of the coastal marine zone, on the other. It is effectively axiomatic in the terrestrial sphere that conservation requires acti ...
... There is a marked contrast between the theory and the practice of conservation in terrestrial environments on the one hand and in most aquatic environments, including those of the coastal marine zone, on the other. It is effectively axiomatic in the terrestrial sphere that conservation requires acti ...
Biodiversity and Ecosystem Management
... any management plan designed to maintain the integrity of this region must be on a broad scale. The greater prairie chicken (Tympanuchus cupido) is a resident of this region that warrants special attention because of low numbers. These birds require highly specialized breeding areas called leks or b ...
... any management plan designed to maintain the integrity of this region must be on a broad scale. The greater prairie chicken (Tympanuchus cupido) is a resident of this region that warrants special attention because of low numbers. These birds require highly specialized breeding areas called leks or b ...
File - Kevin Wilcox
... Biodiversity and Ecosystem Stability • Dynamic stability – System returns to its “original” state after small perturbations – Robert May (1973) thought that increased diversity would actually lead to decreased dynamic stability – New theoretical models suggest that increased diversity will not incr ...
... Biodiversity and Ecosystem Stability • Dynamic stability – System returns to its “original” state after small perturbations – Robert May (1973) thought that increased diversity would actually lead to decreased dynamic stability – New theoretical models suggest that increased diversity will not incr ...
Student Activity Sheets
... Develop your own Captive Breeding Program When developing a captive breeding program for a species it is important to consider various actions such as in-situ versus ex-situ conservation. 3. You will need to consider the following in preparing your species breeding program. Further research into you ...
... Develop your own Captive Breeding Program When developing a captive breeding program for a species it is important to consider various actions such as in-situ versus ex-situ conservation. 3. You will need to consider the following in preparing your species breeding program. Further research into you ...
14 -The Tidelands
... competing species • What if recruitment is variable? • Competitively superior species might not take over, owing to low rates of recruitment • Recruitment might be reduced if currents are not favorable, high water flow results in flushing of larvae from inshore habitates, poor year for phytoplankton ...
... competing species • What if recruitment is variable? • Competitively superior species might not take over, owing to low rates of recruitment • Recruitment might be reduced if currents are not favorable, high water flow results in flushing of larvae from inshore habitates, poor year for phytoplankton ...
Macroevolution
... Evolutionary Biology, an excellent reference if you want to know more about speciation ...
... Evolutionary Biology, an excellent reference if you want to know more about speciation ...
Document
... ecological advantages, large colonies exhibit a variety of disadvantages (Beardall et al., 2009), which may determine the upper limit of effective colony size. The hypothesis about the relationship between large colony and dominance, however, seems not to hold for M. wesenbergii, because extremely la ...
... ecological advantages, large colonies exhibit a variety of disadvantages (Beardall et al., 2009), which may determine the upper limit of effective colony size. The hypothesis about the relationship between large colony and dominance, however, seems not to hold for M. wesenbergii, because extremely la ...
6.01_Niches and Communities Ch 4.2 Reading
... it reproduces, the food it eats, and the way in which it obtains that food are all examples of biological aspects of an organism’s niche. Birds on Christmas Island, a small island in the Indian Ocean, for example, all live in the same habitat but they prey on fish of different sizes and feed in diffe ...
... it reproduces, the food it eats, and the way in which it obtains that food are all examples of biological aspects of an organism’s niche. Birds on Christmas Island, a small island in the Indian Ocean, for example, all live in the same habitat but they prey on fish of different sizes and feed in diffe ...
Design of rain forest reserves
... [30], to the use of indicator taxa [29, 31, 32]. For a recent overview of these methods, the reader is referred to [33]. We simply point out that the issue of scaling-up this local information to the landscape level has been poorly addessed so far. For example, power-law species-area curves have bee ...
... [30], to the use of indicator taxa [29, 31, 32]. For a recent overview of these methods, the reader is referred to [33]. We simply point out that the issue of scaling-up this local information to the landscape level has been poorly addessed so far. For example, power-law species-area curves have bee ...
Elkhorn Coral - Endangered Species Coalition
... wave intensity. Large coral colonies inhabit exposed reef crest and fore reef habitats where water circulation is strong. The species is found on coral reefs in southern Florida, the Bahamas, and across the Caribbean. Please cite any substantiating scientific studies ...
... wave intensity. Large coral colonies inhabit exposed reef crest and fore reef habitats where water circulation is strong. The species is found on coral reefs in southern Florida, the Bahamas, and across the Caribbean. Please cite any substantiating scientific studies ...
Food Web Complexity and Species Diversity
... one species, two chiton species (browsers), two abundant limpets (browsers), four macroscopic benthic algae (Porphyra-an epiphyte, Endocladia, Rhodomela, and Corallina), and the sponge Haliclona, often browsed upon by Anisodoris, a nudibranch. Following the removal of Pisaster, B. glandula set succe ...
... one species, two chiton species (browsers), two abundant limpets (browsers), four macroscopic benthic algae (Porphyra-an epiphyte, Endocladia, Rhodomela, and Corallina), and the sponge Haliclona, often browsed upon by Anisodoris, a nudibranch. Following the removal of Pisaster, B. glandula set succe ...
APES-Chapter
... • Without control, there would be 5.6 trillion flies within 13 months • Within a few years, flies could cover the surface of the earth! ...
... • Without control, there would be 5.6 trillion flies within 13 months • Within a few years, flies could cover the surface of the earth! ...
Pseudocheirus occidentalis, Western Ringtail Possum
... from 1 to 3 young, and is most commonly 1. At approximately 3 months age, the young emerge permanently from the pouch. Female young generally remain in the home range of their mothers, while male young disperse from their mother’s range when they are about 7 months old (at weight of 600 700 grams). ...
... from 1 to 3 young, and is most commonly 1. At approximately 3 months age, the young emerge permanently from the pouch. Female young generally remain in the home range of their mothers, while male young disperse from their mother’s range when they are about 7 months old (at weight of 600 700 grams). ...
A utilitarian-based approach to conservation
... can be put on a firm analytical footing, the ecosystems services argument tends to be more qualitative. Despite this, it is still possible to work out some implications for conservation. It is clear that, to the extent that services are provided by an ecosystem as a whole, conservation efforts shoul ...
... can be put on a firm analytical footing, the ecosystems services argument tends to be more qualitative. Despite this, it is still possible to work out some implications for conservation. It is clear that, to the extent that services are provided by an ecosystem as a whole, conservation efforts shoul ...
Community Ecology
... The development of the metacommunity concept illustrates the growing complexity in our thinking about biodiversity, and why certain species can and do co-occur. But some (e.g. Cavender-Bares et al. 2009) have argued that these processes are not relevant on evolutionary time scales, and argue for a ...
... The development of the metacommunity concept illustrates the growing complexity in our thinking about biodiversity, and why certain species can and do co-occur. But some (e.g. Cavender-Bares et al. 2009) have argued that these processes are not relevant on evolutionary time scales, and argue for a ...