Ecology and conservation biology of ground beetles - REAL-d
... science, it is important to have periodical reviews, syntheses of known information. The first part is based on such a review (Lövei & Sunderland 1996), and briefly describes the main features of the ecology and behaviour of ground beetles. The second part presents a few methodological innovations t ...
... science, it is important to have periodical reviews, syntheses of known information. The first part is based on such a review (Lövei & Sunderland 1996), and briefly describes the main features of the ecology and behaviour of ground beetles. The second part presents a few methodological innovations t ...
Cefas D villosus control and eradication report final
... species entering mainland Europe has mainly been facilitated by the interconnection of river basins through man-made canals and intentional introductions (Bij de Vaate et al. 2002). A southern corridor connecting the Danube and Rhine rivers is likely to have been the route of spread of D. villosus v ...
... species entering mainland Europe has mainly been facilitated by the interconnection of river basins through man-made canals and intentional introductions (Bij de Vaate et al. 2002). A southern corridor connecting the Danube and Rhine rivers is likely to have been the route of spread of D. villosus v ...
USING ECOLOGICAL THEORY TO GUIDE THE IMPLEMENTATION OF AUGMENTATIVE RESTORATION by
... invasive plants can have unexpected impacts on native plants and wildland systems. Therefore, it is important for managers of invasive species to become increasingly concerned with more than target invaders, but also ecological mechanisms and processes like invasion resistance, environmental heterog ...
... invasive plants can have unexpected impacts on native plants and wildland systems. Therefore, it is important for managers of invasive species to become increasingly concerned with more than target invaders, but also ecological mechanisms and processes like invasion resistance, environmental heterog ...
Direct and indirect effects of the introduced alga Sargassum
... censuses of all taxa of interest on some sampling dates. Light measurements. I measured light levels in all removal experiment plots on 4 dates in 2000 (March 21, May 12, June 9 and August 22). Sargassum muticum’s fronds are present for only part of the year (typically March to August), and therefor ...
... censuses of all taxa of interest on some sampling dates. Light measurements. I measured light levels in all removal experiment plots on 4 dates in 2000 (March 21, May 12, June 9 and August 22). Sargassum muticum’s fronds are present for only part of the year (typically March to August), and therefor ...
ASSESSING THE IMPACT OF SOFT-WATER CALCIUM DECLINE ON THE LIFE- DAPHNIA
... Impact of calcium decline on Daphnia Based on a paleolimnological analysis, one taxanomic group that has been severely impacted by recent calcium decline is Daphnia, a genus of freshwater cladoceran zooplankton (Jeziorski & Yan 2006). Daphnia has some of the highest known calcium contents of any cru ...
... Impact of calcium decline on Daphnia Based on a paleolimnological analysis, one taxanomic group that has been severely impacted by recent calcium decline is Daphnia, a genus of freshwater cladoceran zooplankton (Jeziorski & Yan 2006). Daphnia has some of the highest known calcium contents of any cru ...
The life history and ecology of seahorses in the
... Seahorses are found throughout the Philippines (Figure 5 and Annex II.1-II.18). The Philippines is an archipelago comprised of about 7,500 islands (Mayuga 2016). The country‟s marine waters contain important marine habitats – coral reefs, seagrass beds, and mangrove forests – and these habitats are ...
... Seahorses are found throughout the Philippines (Figure 5 and Annex II.1-II.18). The Philippines is an archipelago comprised of about 7,500 islands (Mayuga 2016). The country‟s marine waters contain important marine habitats – coral reefs, seagrass beds, and mangrove forests – and these habitats are ...
Proceedings - World Lagomorph Society
... Conservation,” “Evolution,” “Morphology and Physiology,” and “Diseases.” We are hosting two formal workshops, “Lagomorph Systematics and LaGomiCs” and “Population Trends and Management of Lagomorphs in Western North America.” However, informal workshops, meetings, and roundtables can also be easily ...
... Conservation,” “Evolution,” “Morphology and Physiology,” and “Diseases.” We are hosting two formal workshops, “Lagomorph Systematics and LaGomiCs” and “Population Trends and Management of Lagomorphs in Western North America.” However, informal workshops, meetings, and roundtables can also be easily ...
Community structure and organization of tidepools
... communities have not been studied as extensively as those on emergent substrata. We examine processes regulating the structure of tidepool communities for comparison with emergent substrata. The physical environment of tidepools is highly regulated by the hdal cycle, although fluctuations in physica ...
... communities have not been studied as extensively as those on emergent substrata. We examine processes regulating the structure of tidepool communities for comparison with emergent substrata. The physical environment of tidepools is highly regulated by the hdal cycle, although fluctuations in physica ...
Granivory in a Desert Ecosystem: Experimental Evidence for Indirect Facilitation... Rodents Author(s): D. W. Davidson, R. S. Inouye, J. H. Brown
... distribution of annual rainfall (Fig. 2) regularly protion). In experiments in the Sonoran Desert, both ants duces two distinct seasonal peaks of ephemeral vegeand rodents increased in abundance over the short term tation. Frontal storms in winter stimulate the germiwhen the other major taxon was re ...
... distribution of annual rainfall (Fig. 2) regularly protion). In experiments in the Sonoran Desert, both ants duces two distinct seasonal peaks of ephemeral vegeand rodents increased in abundance over the short term tation. Frontal storms in winter stimulate the germiwhen the other major taxon was re ...
Evolution and the latitudinal diversity gradient
... focused on the distribution of tropical environments during early portions of the Cenozoic. Climate history inferred from multiple proxies points to a pronounced warm period during the early Tertiary (Fig. 2), especially the mid Palaeocene to early Eocene (59–50 Ma), with warm (> 18 C) surface wate ...
... focused on the distribution of tropical environments during early portions of the Cenozoic. Climate history inferred from multiple proxies points to a pronounced warm period during the early Tertiary (Fig. 2), especially the mid Palaeocene to early Eocene (59–50 Ma), with warm (> 18 C) surface wate ...
Approximating Nature`s Variation: Selecting and Using Reference
... may be present on a site not because it is a good competitor or reproduces there, but because a high rate of dispersal to the site from nearby populations compensates for high mortality or low competitive ability. This is the mass effect or the source-sink dynamics of metapopulations (Shmida & Wilso ...
... may be present on a site not because it is a good competitor or reproduces there, but because a high rate of dispersal to the site from nearby populations compensates for high mortality or low competitive ability. This is the mass effect or the source-sink dynamics of metapopulations (Shmida & Wilso ...
4.3.4.1 Smalltooth sawfish - South Atlantic Fishery Management
... Studies of largetooth sawfish in Lake Nicaragua (Thorson 1976) report brood sizes of 1-13 individuals, with a mean of 7.3 individuals. The gestation period for largetooth sawfish is approximately 5 months and females likely produce litters every second year. Although there are no such studies on sma ...
... Studies of largetooth sawfish in Lake Nicaragua (Thorson 1976) report brood sizes of 1-13 individuals, with a mean of 7.3 individuals. The gestation period for largetooth sawfish is approximately 5 months and females likely produce litters every second year. Although there are no such studies on sma ...
Salt marsh harvest mouse abundance and site use in a managed
... the amount of change varies depending on whether the marsh is diked off from the Bay or fully tidal (Omer, 1994). Thus, water management is a critical factor in creating beneficial pickleweed micro-habitat environment for the SMHM. In highly altered diked marshes, Zetterquist (1977) found SMHM in ma ...
... the amount of change varies depending on whether the marsh is diked off from the Bay or fully tidal (Omer, 1994). Thus, water management is a critical factor in creating beneficial pickleweed micro-habitat environment for the SMHM. In highly altered diked marshes, Zetterquist (1977) found SMHM in ma ...
Significance of Plankton Community Structure and Nutrient
... Materials and Methods Modeling approach The model was based upon previous mathematical approaches related to Amoebophrya-host dynamics [15, 18]. In order to avoid the inclusion of too many trophic links (which would lead to an unnecessary complexity), the modeled community included as few components ...
... Materials and Methods Modeling approach The model was based upon previous mathematical approaches related to Amoebophrya-host dynamics [15, 18]. In order to avoid the inclusion of too many trophic links (which would lead to an unnecessary complexity), the modeled community included as few components ...
A shift from exploitation to interference competition with increasing
... Ginzburg 1989); an increase in resources will result in an increase in the encounter rate. For example, imagine a population of squirrels that compete for nuts exploitatively, in that each nut eaten by a squirrel reduces the number of nuts available for other squirrels. In that case, squirrel fitnes ...
... Ginzburg 1989); an increase in resources will result in an increase in the encounter rate. For example, imagine a population of squirrels that compete for nuts exploitatively, in that each nut eaten by a squirrel reduces the number of nuts available for other squirrels. In that case, squirrel fitnes ...
Coevolutionary dynamics of adaptive radiation for food
... and suppose that they are isolated from each other. Then, in each interaction group, the predators (i.e., species whose x belong to this group) evolve their x to catch up with their prey (i.e., species whose y belong to this group), while the prey evolve their y to escape from the predation, as illu ...
... and suppose that they are isolated from each other. Then, in each interaction group, the predators (i.e., species whose x belong to this group) evolve their x to catch up with their prey (i.e., species whose y belong to this group), while the prey evolve their y to escape from the predation, as illu ...
Ecology, 89 - Virginia Tech
... enables the investigation of a priori hypotheses about interactions between complex systems of variables (Kline 1998, Grace 2006). Of particular use to studies in community ecology is the ability of SEM to evaluate path models, which can be used to represent direct and indirect relationships between ...
... enables the investigation of a priori hypotheses about interactions between complex systems of variables (Kline 1998, Grace 2006). Of particular use to studies in community ecology is the ability of SEM to evaluate path models, which can be used to represent direct and indirect relationships between ...
Southern bell frog - draft recovery plan
... The TSC Act provides a legislative framework to protect and encourage the recovery of threatened species, endangered populations and endangered ecological communities in NSW. Under this legislation the Director-General of the Department of Environment and Conservation (DEC) has a responsibility to p ...
... The TSC Act provides a legislative framework to protect and encourage the recovery of threatened species, endangered populations and endangered ecological communities in NSW. Under this legislation the Director-General of the Department of Environment and Conservation (DEC) has a responsibility to p ...
Documented Impacts
... Fed. Reg. at 2264 (“Energy development was identified by the expert panel as the most significant extinction risk to the greater sage-grouse in the eastern portion of its range [including Wyoming].”). CBNG development has substantial negative impacts on sage grouse populations. Sage grouse avoid are ...
... Fed. Reg. at 2264 (“Energy development was identified by the expert panel as the most significant extinction risk to the greater sage-grouse in the eastern portion of its range [including Wyoming].”). CBNG development has substantial negative impacts on sage grouse populations. Sage grouse avoid are ...
Considering ecological dynamics in resource selection functions
... 4. We believe that there is a need for us to reacquaint ourselves with ecological theory when interpreting RSF models. We outline a suite of factors likely to govern ecologically based variation in a RSF. In particular, we draw attention to competition and density-dependent habitat selection, the ro ...
... 4. We believe that there is a need for us to reacquaint ourselves with ecological theory when interpreting RSF models. We outline a suite of factors likely to govern ecologically based variation in a RSF. In particular, we draw attention to competition and density-dependent habitat selection, the ro ...
Does dispersal influence intraspecific competition in a stream
... downstream in the low-dispersal stream. To our knowledge, this is the first time that spatial sorting has been explicitly identified as contributing to the strength of intraspecific interactions. Our study underscores the importance of integrating natural rates of dispersal into mechanistic experime ...
... downstream in the low-dispersal stream. To our knowledge, this is the first time that spatial sorting has been explicitly identified as contributing to the strength of intraspecific interactions. Our study underscores the importance of integrating natural rates of dispersal into mechanistic experime ...
The role of macrophytes in habitat structuring in aquatic
... for populations or assemblages of small-bodied fish, but this scale would be inadequate for explaining macroinvertebrate assemblages, which certainly perceive (and use) the habitat quite differently (Dibble et al., 2006) (Figure 1). Such considerations about scales should be incorporated into studie ...
... for populations or assemblages of small-bodied fish, but this scale would be inadequate for explaining macroinvertebrate assemblages, which certainly perceive (and use) the habitat quite differently (Dibble et al., 2006) (Figure 1). Such considerations about scales should be incorporated into studie ...
Considering ecological dynamics in resource selection functions
... 4. We believe that there is a need for us to reacquaint ourselves with ecological theory when interpreting RSF models. We outline a suite of factors likely to govern ecologically based variation in a RSF. In particular, we draw attention to competition and density-dependent habitat selection, the ro ...
... 4. We believe that there is a need for us to reacquaint ourselves with ecological theory when interpreting RSF models. We outline a suite of factors likely to govern ecologically based variation in a RSF. In particular, we draw attention to competition and density-dependent habitat selection, the ro ...
Research paper: Biotic Homogenisation
... Despite sustained interest, a review of the peer-reviewed literature reveals that research efforts have been unevenly distributed with regard to taxonomic groups and ecosystems. Biotic homogenisation of vertebrate and plant communities has been studied the most, while invertebrates have received lit ...
... Despite sustained interest, a review of the peer-reviewed literature reveals that research efforts have been unevenly distributed with regard to taxonomic groups and ecosystems. Biotic homogenisation of vertebrate and plant communities has been studied the most, while invertebrates have received lit ...
Late Quaternary Extinctions: State of the Debate
... rabbit (Aztlanolagus). At the species level, the extinction was total for mammals larger than 1000 kg, greater than 50% for size classes between 1000 and 32 kg, and 20% for those between 32 and 10 kg (Figure 1, Supplemental Table 2). There were also cases of pseudoextinction at the species level. Fo ...
... rabbit (Aztlanolagus). At the species level, the extinction was total for mammals larger than 1000 kg, greater than 50% for size classes between 1000 and 32 kg, and 20% for those between 32 and 10 kg (Figure 1, Supplemental Table 2). There were also cases of pseudoextinction at the species level. Fo ...