temperate lake ecosystems Synchronous dynamics of zooplankton
... e(1=2)((nti )=s) () dn is a Gaussian localization function in time n. The localized wavelet modulus ratio computes the ratio of the actual amplitude of community fluctuations against the cumulative amplitude of population fluctuations at each time and scale. The numerator in equation (2.3) uses t ...
... e(1=2)((nti )=s) () dn is a Gaussian localization function in time n. The localized wavelet modulus ratio computes the ratio of the actual amplitude of community fluctuations against the cumulative amplitude of population fluctuations at each time and scale. The numerator in equation (2.3) uses t ...
(Apios americana Medicus) in Colorado
... containing an extra copy of chromosomes in their genome (Seabrook and Dionne 1976, Bruneau 1986, Bruneau and Anderson 1988). Bruneau (1986) developed morphometric methods of inferring the ploidy of Apios americana using pollen stainability, guard cell size, and flower color. In the present study, Br ...
... containing an extra copy of chromosomes in their genome (Seabrook and Dionne 1976, Bruneau 1986, Bruneau and Anderson 1988). Bruneau (1986) developed morphometric methods of inferring the ploidy of Apios americana using pollen stainability, guard cell size, and flower color. In the present study, Br ...
Surveys of Species at Risk and their Associated Habitats in the
... hindering development, and substantially increase predation risk by allowing fish to enter the fish-free sites where amphibians prefer to breed. An analysis of reservoir levels would help us to assess impacts of water level fluctuations on breeding amphibians, and to enable development of management ...
... hindering development, and substantially increase predation risk by allowing fish to enter the fish-free sites where amphibians prefer to breed. An analysis of reservoir levels would help us to assess impacts of water level fluctuations on breeding amphibians, and to enable development of management ...
Recovery Plan Appendix B
... 3. All of the ecological communities in Gatton and Laidley Shires that have a status of endangered or of-concern under the Queensland Vegetation Management Act 1999 and Queensland Vegetation Management (Freehold Lands) Regulation. 4. Species in Gatton and Laidley Shires identified as having regional ...
... 3. All of the ecological communities in Gatton and Laidley Shires that have a status of endangered or of-concern under the Queensland Vegetation Management Act 1999 and Queensland Vegetation Management (Freehold Lands) Regulation. 4. Species in Gatton and Laidley Shires identified as having regional ...
Sponge Community Structure and Anti
... populations on the scarp and plateau habitats at GRNMS and J Reef.............................. 44 Figure 4. Distribution of the 32 sponge species recorded at GRNMS and J Reef............ 45 Figure 5. Mean density (± SE) of spongivorous fish populations on the scarp and plateau habitats from GRNMS a ...
... populations on the scarp and plateau habitats at GRNMS and J Reef.............................. 44 Figure 4. Distribution of the 32 sponge species recorded at GRNMS and J Reef............ 45 Figure 5. Mean density (± SE) of spongivorous fish populations on the scarp and plateau habitats from GRNMS a ...
THE ECOLOGY, EVOLUTION, AND DIVERSIFICATION OF THE
... 2000; Chan et al. 2001; ra and Dodge 2003a), but the relatively recent diversification among many of its lineages has made it difficult to untangle the relationships among some closely related taxa (Ornduff 1966; Chan 2000), some of which are still interfertile (Ornduff 1966). Recent analyses of DNA ...
... 2000; Chan et al. 2001; ra and Dodge 2003a), but the relatively recent diversification among many of its lineages has made it difficult to untangle the relationships among some closely related taxa (Ornduff 1966; Chan 2000), some of which are still interfertile (Ornduff 1966). Recent analyses of DNA ...
Models of Extinction
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
DMS
... “Naïve” fledgling blue petrels also respond to DMS at biogenic (< pM) concentrations Y-Maze Testing Blue petrel (Halobaena caerulea) ...
... “Naïve” fledgling blue petrels also respond to DMS at biogenic (< pM) concentrations Y-Maze Testing Blue petrel (Halobaena caerulea) ...
Invasive Plants: Ecological and Agricultural Aspects
... (2004)1 has amusingly noted that the number of recent invasion-oriented book volumes has actually eclipsed the number of some invading taxa; a sobering reflection of the ecological, economic and sociological problems posed by biological invasions. The present volume consists of 17 papers written by ...
... (2004)1 has amusingly noted that the number of recent invasion-oriented book volumes has actually eclipsed the number of some invading taxa; a sobering reflection of the ecological, economic and sociological problems posed by biological invasions. The present volume consists of 17 papers written by ...
Models of Extinction: A Review
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
Species Accounts - Contra Costa County
... these 7 records are located within the ECCC HCP/NCCP inventory area. These records represent sighting within non-native grassland, grazed, and agricultural habitat. This database includes records of individual sightings and locations of occupied, vacant, and natal dens. A moderate amount of literatu ...
... these 7 records are located within the ECCC HCP/NCCP inventory area. These records represent sighting within non-native grassland, grazed, and agricultural habitat. This database includes records of individual sightings and locations of occupied, vacant, and natal dens. A moderate amount of literatu ...
Galápagos macroalgae: A review of the state of ecological knowledge
... cm cages at two nearby sites per island. Due to this design, the discrepancy in algal abundances between those measured and historically observed could be due to small-scale variation (patchiness) in intertidal algal abundances or large-scale regional patterns. ...
... cm cages at two nearby sites per island. Due to this design, the discrepancy in algal abundances between those measured and historically observed could be due to small-scale variation (patchiness) in intertidal algal abundances or large-scale regional patterns. ...
Tecnociencia Articul.. - Sistema de Bibliotecas de la Universidad de
... narica), but Peruvian ocelots have not been reported to do so. On the other hand, BCI ocelots' scats contain no fish or birds, also unusual when compared with other studies (Emmons 1987). Ocelot tracks have been observed twice (Moreno, unpub.data) near bird remains, but the scats showed no evidence ...
... narica), but Peruvian ocelots have not been reported to do so. On the other hand, BCI ocelots' scats contain no fish or birds, also unusual when compared with other studies (Emmons 1987). Ocelot tracks have been observed twice (Moreno, unpub.data) near bird remains, but the scats showed no evidence ...
8_Biology_SBCGPU 2013-02-15F - San Benito County General
... Critical habitat is a designation made by the U.S. Fish and Wildlife Service (USFWS) or by the National Marine Fisheries Service (NOAA Fisheries) pursuant to the Federal Endangered Species Act (FESA). Critical habitat areas are specific geographic areas that may or may not be occupied by specific li ...
... Critical habitat is a designation made by the U.S. Fish and Wildlife Service (USFWS) or by the National Marine Fisheries Service (NOAA Fisheries) pursuant to the Federal Endangered Species Act (FESA). Critical habitat areas are specific geographic areas that may or may not be occupied by specific li ...
Recruitment limitation in secondary forests dominated by
... (Zucardi et al. 1968) and pH 5.5 - 6.8 (see Results). Ca. 30 native and 10 exotic canopy trees occur in the study area, many of which are winter/drought deciduous. Canopy height is typically 15 - 30 m. Most of the study area was deforested (primarily for citrus orchards and sugar cane) during the fi ...
... (Zucardi et al. 1968) and pH 5.5 - 6.8 (see Results). Ca. 30 native and 10 exotic canopy trees occur in the study area, many of which are winter/drought deciduous. Canopy height is typically 15 - 30 m. Most of the study area was deforested (primarily for citrus orchards and sugar cane) during the fi ...
Landscapes and species-analyzing the ecological Gaps
... of what has been invested in the network and loss of the values the PA network was created to protect. The Gaps are numerous, sometimes deep and almost overwhelming. This report however shows the way forward and a structure to follow. So what are the main Gaps? The current PA network and its managem ...
... of what has been invested in the network and loss of the values the PA network was created to protect. The Gaps are numerous, sometimes deep and almost overwhelming. This report however shows the way forward and a structure to follow. So what are the main Gaps? The current PA network and its managem ...
Bats and insect pest control: a review
... al. 1992, Simmons et al. 2008). In particular, some species from the fossil site of Messel (Germany) used to prey on Lepidoptera (Richter 1993). Insect pests are a major problem in agriculture and forestry (Hill 1983, 1987, 2008, Pollini 2013). Arthropods destroy between 18% and 26% of the annual pr ...
... al. 1992, Simmons et al. 2008). In particular, some species from the fossil site of Messel (Germany) used to prey on Lepidoptera (Richter 1993). Insect pests are a major problem in agriculture and forestry (Hill 1983, 1987, 2008, Pollini 2013). Arthropods destroy between 18% and 26% of the annual pr ...
How variation between individuals affects species coexistence
... we assume that inferior and superior species have the same amount of intraspecific variation, and we relax this assumption in a subsequent analysis. We describe individual variation in competitive sensitivity with symmetric, four-parameter beta distributions, which allows us to define reasonable pos ...
... we assume that inferior and superior species have the same amount of intraspecific variation, and we relax this assumption in a subsequent analysis. We describe individual variation in competitive sensitivity with symmetric, four-parameter beta distributions, which allows us to define reasonable pos ...
Fulltext - ETH E
... Experiments that manipulated plant species richness in temperate grasslands have generally found that species richness increased plant productivity. It has often been suggested that this is due to complementary use of resources—such as nitrogen—by plant species. Complementarity, e.g., in space, chem ...
... Experiments that manipulated plant species richness in temperate grasslands have generally found that species richness increased plant productivity. It has often been suggested that this is due to complementary use of resources—such as nitrogen—by plant species. Complementarity, e.g., in space, chem ...
Bristol Channel Approaches pSAC: Draft Conservation Objectives
... the harbour porpoise population at FCS is optimised. This may require management of human activities occurring in or around the site if they are likely to have an adverse impact on the site’s Conservation Objectives either directly or indirectly identified through the assessment process. Management ...
... the harbour porpoise population at FCS is optimised. This may require management of human activities occurring in or around the site if they are likely to have an adverse impact on the site’s Conservation Objectives either directly or indirectly identified through the assessment process. Management ...
Fire regimes and fire effects in Chilean Araucaria Forests.
... Ongoing tephra studies in Southern Chile and Argentina (Cono Sur) are currently focused on two important aspects: 1) Elucidating eruptive records and assessing associated hazards for a particular volcano, and 2) Utilisation of tephra as a chrono-stratigraphic marker in wide-ranging Quaternary paleoe ...
... Ongoing tephra studies in Southern Chile and Argentina (Cono Sur) are currently focused on two important aspects: 1) Elucidating eruptive records and assessing associated hazards for a particular volcano, and 2) Utilisation of tephra as a chrono-stratigraphic marker in wide-ranging Quaternary paleoe ...
Prey naivete´ in an introduced prey species: the wild rabbit in Australia
... until 10 years after the initial rabbit introduction and rapidly spread after the rabbit invasion. Foxes are major predators of rabbits that can modify their population dynamics (Trout and Tittensor 1989; Banks 2000). Cats (Felis catus) arrived with Europeans in 1824 (Abbott 2002), after which they ...
... until 10 years after the initial rabbit introduction and rapidly spread after the rabbit invasion. Foxes are major predators of rabbits that can modify their population dynamics (Trout and Tittensor 1989; Banks 2000). Cats (Felis catus) arrived with Europeans in 1824 (Abbott 2002), after which they ...
113 - UConn
... quadrats decreases as latitude increases, creating a systematic bias that confounds measures of area and latitude. Even quadrats based on linear dimensions differ in the amount of land they contain because most coastal quadrats will not be full of land (Rosenzweig 1995). Consequently it is difficult ...
... quadrats decreases as latitude increases, creating a systematic bias that confounds measures of area and latitude. Even quadrats based on linear dimensions differ in the amount of land they contain because most coastal quadrats will not be full of land (Rosenzweig 1995). Consequently it is difficult ...
I Current Comments” EUGENE GARFIELD
... preferred habitat was among ferns in low, moist areas along banks of rivers and marshes.a But today, roaches can be found just about anywhere. Whh more than 3,500 identified cockroach species (ranging in size from 8 millimeters [3/1O of an inch] to nearly 70 [3 inches]), these insects are distribute ...
... preferred habitat was among ferns in low, moist areas along banks of rivers and marshes.a But today, roaches can be found just about anywhere. Whh more than 3,500 identified cockroach species (ranging in size from 8 millimeters [3/1O of an inch] to nearly 70 [3 inches]), these insects are distribute ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.