Deep-Sea Fish Behavioral Responses to Underwater
... ROV’s (e.g., Trenkel et al. 2004a, Lorance et al. 2006). Quantitative behavioral comparisons conducted with the submersible Nautile clearly showed that fish species differ among each other in the way they swim and in their vertical positioning above the bottom (Uiblein et al. 2003). Moreover, distin ...
... ROV’s (e.g., Trenkel et al. 2004a, Lorance et al. 2006). Quantitative behavioral comparisons conducted with the submersible Nautile clearly showed that fish species differ among each other in the way they swim and in their vertical positioning above the bottom (Uiblein et al. 2003). Moreover, distin ...
Influence of migratory ungulate management on competitive
... Protected areas are often seen as unaffected islands of high conservation value in humandominated landscapes. However, through borderless ecological processes (Bauer and Hoye 2014), management measures outside protected areas can influence organisms that are resident within them. For instance, a spe ...
... Protected areas are often seen as unaffected islands of high conservation value in humandominated landscapes. However, through borderless ecological processes (Bauer and Hoye 2014), management measures outside protected areas can influence organisms that are resident within them. For instance, a spe ...
Koala (Phascolarctos cinereus) – Fact Sheet
... distribution. Chlamydia infections, which often cause infertility in females, coupled with habitat loss and degradation pose major threats to koala populations and lead to local extinctions. Urban development is also a major threat as it leads to tree loss and exposes koalas to predation by dogs and ...
... distribution. Chlamydia infections, which often cause infertility in females, coupled with habitat loss and degradation pose major threats to koala populations and lead to local extinctions. Urban development is also a major threat as it leads to tree loss and exposes koalas to predation by dogs and ...
Artificial structures as tools for fish habitat rehabilitation in a
... 2. This paper evaluates the role of artificial structures as fish habitat in a structureless 30 km2 Brazilian reservoir, through underwater surveys conducted monthly from April 1999 to March 2000. 3. In total, 5759 fish in nine species were recorded, but only three cichlid species } one native, Geophag ...
... 2. This paper evaluates the role of artificial structures as fish habitat in a structureless 30 km2 Brazilian reservoir, through underwater surveys conducted monthly from April 1999 to March 2000. 3. In total, 5759 fish in nine species were recorded, but only three cichlid species } one native, Geophag ...
Defining Biodiversity Assessing Biodiversity
... Nevertheless, the term biodiversity has remained remarkably vague and its measurement equally capricious. Is allelic diversity part of biodiversity? Or only species? What about individual differences? Do we have to worry about community structure? Is the number of species the appropriate measure? D ...
... Nevertheless, the term biodiversity has remained remarkably vague and its measurement equally capricious. Is allelic diversity part of biodiversity? Or only species? What about individual differences? Do we have to worry about community structure? Is the number of species the appropriate measure? D ...
Patterns of trophic niche divergence between invasive and native
... with mesocosm as a random effect (Dossena et al. 2012). The significance of each treatment on the trophic position of each species was assessed by starting with the most complex model and then simplifying by removing non-significant terms using maximum-likelihood ratio tests due to different fixed e ...
... with mesocosm as a random effect (Dossena et al. 2012). The significance of each treatment on the trophic position of each species was assessed by starting with the most complex model and then simplifying by removing non-significant terms using maximum-likelihood ratio tests due to different fixed e ...
grazer diversity, functional redundancy, and productivity in seagrass
... between plant diversity and ecosystem processes, few have explicitly addressed how functional diversity at higher trophic levels influences ecosystem processes. We used mesocosm experiments to test the impacts of three herbivorous crustacean species ( Gammarus mucronatus, Idotea baltica, and Erichso ...
... between plant diversity and ecosystem processes, few have explicitly addressed how functional diversity at higher trophic levels influences ecosystem processes. We used mesocosm experiments to test the impacts of three herbivorous crustacean species ( Gammarus mucronatus, Idotea baltica, and Erichso ...
Patterns of invertebrate distribution and abundance on Cordyline
... although species richness of specialists was highest in forest sites, the majority of hostspecialised species were not restricted to forest habitats and were as widespread as many generalists. In terms of site occupancy, only two specialist and four generalist species were rare. I show that patterns ...
... although species richness of specialists was highest in forest sites, the majority of hostspecialised species were not restricted to forest habitats and were as widespread as many generalists. In terms of site occupancy, only two specialist and four generalist species were rare. I show that patterns ...
Primary Succession and Ecosystem Rehabilitation
... restore crops and revive tourism can stimulate economic development. In the growing field of ecological economics, resources are assigned values, the maintenance of which is dependent on the intricate interactions of ecological processes, including recovery following disturbance. ...
... restore crops and revive tourism can stimulate economic development. In the growing field of ecological economics, resources are assigned values, the maintenance of which is dependent on the intricate interactions of ecological processes, including recovery following disturbance. ...
By: David R.W. Bruinsma A Thesis
... by focal species of tall-grass prairie study sites used to evaluate responses of grassland songbird abundance and richness to habitat structure at multiple spatial scales and artificial conspecific location cues in southern Manitoba, 2010-2011.......... 26 Table 3. Daubenmire cover classes, ranges o ...
... by focal species of tall-grass prairie study sites used to evaluate responses of grassland songbird abundance and richness to habitat structure at multiple spatial scales and artificial conspecific location cues in southern Manitoba, 2010-2011.......... 26 Table 3. Daubenmire cover classes, ranges o ...
How variation between individuals affects species coexistence
... Superior competitive ability is conferred by high demographic potential (high g and high k) and low sensitivity to competition (low [non-negative] r; eqn (2)). Therefore, if the intuition that individual variation in competitive ability promotes coexistence is correct, then it is variation in these ...
... Superior competitive ability is conferred by high demographic potential (high g and high k) and low sensitivity to competition (low [non-negative] r; eqn (2)). Therefore, if the intuition that individual variation in competitive ability promotes coexistence is correct, then it is variation in these ...
Reading Biodiversity Action Plan
... valuable education role. A variety of other open spaces that are used by wildlife and are in public ownership in Reading include areas such as cemeteries, allotments and highway verges. There are opportunities to enhance some of these areas for wildlife. A significant amount of land in Reading is pr ...
... valuable education role. A variety of other open spaces that are used by wildlife and are in public ownership in Reading include areas such as cemeteries, allotments and highway verges. There are opportunities to enhance some of these areas for wildlife. A significant amount of land in Reading is pr ...
Journal of Marine Science - CIEE Research Station Bonaire
... received her B.S. in Biology and M.S. in Zoology from the University of South Florida and her Ph.D. in Marine Sciences from the University of South Alabama. Dr. Peachey’s research focuses on ultraviolet radiation and its effects on marine invertebrate larvae and is particularly interested in issues ...
... received her B.S. in Biology and M.S. in Zoology from the University of South Florida and her Ph.D. in Marine Sciences from the University of South Alabama. Dr. Peachey’s research focuses on ultraviolet radiation and its effects on marine invertebrate larvae and is particularly interested in issues ...
1 PETITION TO LIST ONE SPECIES OF HAWAIIAN YELLOW
... (Figure 1; Daly and Magnacca 2003, K. Magnacca pers. comm., Jan. 2008, July 2008). There have been only four recent collections of H. facilis: from Oahu in 1975 (Poamoho Trail), from Maui in 1967 (unknown location) and 1990 (Kokomo, near Makawao, 457 m/1500 ft), and from Molokai in 2005 (Kuololimu P ...
... (Figure 1; Daly and Magnacca 2003, K. Magnacca pers. comm., Jan. 2008, July 2008). There have been only four recent collections of H. facilis: from Oahu in 1975 (Poamoho Trail), from Maui in 1967 (unknown location) and 1990 (Kokomo, near Makawao, 457 m/1500 ft), and from Molokai in 2005 (Kuololimu P ...
population dynamics of two species of kleptoparasitic spiders
... 22.6 8C and an annual rainfall of 2,100 mm. Previous observations revealed that Nephila clavata, a major host for Argyrodes, lives at all sites except for NK which is located at the southern part of Okinawa Island. Iheya Island lies about 60 km away from Okinawa Island and is much smaller (about 20 ...
... 22.6 8C and an annual rainfall of 2,100 mm. Previous observations revealed that Nephila clavata, a major host for Argyrodes, lives at all sites except for NK which is located at the southern part of Okinawa Island. Iheya Island lies about 60 km away from Okinawa Island and is much smaller (about 20 ...
Evaluating the role of the dingo as a trophic
... Kosciuszko National Park and Nadgee Nature Reserve in south-eastern Australia, potentially reflecting a relationship between the densities of the two species, or behavioural avoidance of dingoes by foxes. Similarly, Dickman (1996), using data presented by Catling and Burt (1994), showed that the abu ...
... Kosciuszko National Park and Nadgee Nature Reserve in south-eastern Australia, potentially reflecting a relationship between the densities of the two species, or behavioural avoidance of dingoes by foxes. Similarly, Dickman (1996), using data presented by Catling and Burt (1994), showed that the abu ...
weakly density-dependent mortality and the coexistence of species
... Density dependence is ubiquitous in ecological interactions. However, in models it is generally only taken into account if it is sufficiently strong to be directly evident in experiments. This is particularly obvious in the mathematical treatment of mortality. Out of convention, mortality terms in m ...
... Density dependence is ubiquitous in ecological interactions. However, in models it is generally only taken into account if it is sufficiently strong to be directly evident in experiments. This is particularly obvious in the mathematical treatment of mortality. Out of convention, mortality terms in m ...
Bee diversity effects on pollination depend on functional
... were dried and dissected in the laboratory. In general, all clearly developed seeds in these samples were considered viable and counted. It was not possible to reliably distinguish fruits containing a seed from empty fruits in Asteraceae, whose fruits form an inseparable unit with the single seed. T ...
... were dried and dissected in the laboratory. In general, all clearly developed seeds in these samples were considered viable and counted. It was not possible to reliably distinguish fruits containing a seed from empty fruits in Asteraceae, whose fruits form an inseparable unit with the single seed. T ...
biodiversity in the high parana river floodplain
... The zooplankton community of the high Parana floodplain is representedby 329 taxa, 55 of which are testate amoeba,218 rotifers, 40 cladocerans,and 16 copepods (Lansac-Toha et al. 1997, Bonecker et al., 1998). Most of these taxa are not exclusively planktonic; benthic, periphytic and littoral species ...
... The zooplankton community of the high Parana floodplain is representedby 329 taxa, 55 of which are testate amoeba,218 rotifers, 40 cladocerans,and 16 copepods (Lansac-Toha et al. 1997, Bonecker et al., 1998). Most of these taxa are not exclusively planktonic; benthic, periphytic and littoral species ...
Untangling the roles of parasites in food webs with
... tions are different by comparing models across the sequence of food webs created by adding these interaction types one at a time. If parasites follow distinct patterns, then adding parasites and their links to a free-living food web forces the model to fit a broader variety of interaction patterns, ...
... tions are different by comparing models across the sequence of food webs created by adding these interaction types one at a time. If parasites follow distinct patterns, then adding parasites and their links to a free-living food web forces the model to fit a broader variety of interaction patterns, ...
southern Yunnan, China - Universität Hohenheim
... natural succession leading to secondary forests. Such habitats may represent a matrix separating relatively intact plots of undisturbed old‐growth forest, but the current knowledge of the value of such matrix habitats for biodiversity conservation is still limited. Existing ...
... natural succession leading to secondary forests. Such habitats may represent a matrix separating relatively intact plots of undisturbed old‐growth forest, but the current knowledge of the value of such matrix habitats for biodiversity conservation is still limited. Existing ...
- Wiley Online Library
... 2001; Sakai & Harada 2001). Most discussion is based on models that describe an optimal trade-off between producing a few, large propagules or many, smaller ones (reviewed in Stearns 1992). Implicit in these models is the assumption that larger offspring perform better than smaller offspring (review ...
... 2001; Sakai & Harada 2001). Most discussion is based on models that describe an optimal trade-off between producing a few, large propagules or many, smaller ones (reviewed in Stearns 1992). Implicit in these models is the assumption that larger offspring perform better than smaller offspring (review ...
Information about GB Non-native Species Risk Assessments
... • Risk assessments consider only the risks posed by a species. They do not consider the practicalities, impacts or other issues relating to the management of the species. They therefore cannot on their own be used to determine what, if any, management response should be undertaken. • Risk assessment ...
... • Risk assessments consider only the risks posed by a species. They do not consider the practicalities, impacts or other issues relating to the management of the species. They therefore cannot on their own be used to determine what, if any, management response should be undertaken. • Risk assessment ...
Species Action Plan - Butterfly Conservation
... otherwise intensive management by the Forestry Commission. This has successfully maintained the Black Hairstreak in the forest (while many other butterfly species have died out), even though there have been occasional felling of breeding areas in error. However, it is desirable to preserve some tree ...
... otherwise intensive management by the Forestry Commission. This has successfully maintained the Black Hairstreak in the forest (while many other butterfly species have died out), even though there have been occasional felling of breeding areas in error. However, it is desirable to preserve some tree ...
DIVERSITY OF A NORTHERN ROCKY INTERTIDAL COMMUNITY
... Notes: The methods are broken down into two large groups: samples processed in the lab and those where measurements were taken in the field. The total count does not equal the number of published studies included, as some studies use more than one method. Field studies commonly used two methods to d ...
... Notes: The methods are broken down into two large groups: samples processed in the lab and those where measurements were taken in the field. The total count does not equal the number of published studies included, as some studies use more than one method. Field studies commonly used two methods to d ...