Anegada Iguana, Cyclura pinguis SPECIES RECOVERY PLAN
... that it ranged more extensively throughout the Puerto Rican Bank) perhaps a more appropriate name would be the Puerto Rican Bank iguana. Nevertheless the species is now restricted to several small islands in the British Virgin Islands (BVI). Only one of these is considered a ‘native’ population in t ...
... that it ranged more extensively throughout the Puerto Rican Bank) perhaps a more appropriate name would be the Puerto Rican Bank iguana. Nevertheless the species is now restricted to several small islands in the British Virgin Islands (BVI). Only one of these is considered a ‘native’ population in t ...
A Discussion Paper
... An area is considered to have a high biodiversity score if it contains many different species of plants and animals and enough of these individuals so that each species can maintain adequate population size to allow for the persistence of species through subsequent generations (Millenium Ecosystem A ...
... An area is considered to have a high biodiversity score if it contains many different species of plants and animals and enough of these individuals so that each species can maintain adequate population size to allow for the persistence of species through subsequent generations (Millenium Ecosystem A ...
Chemical Control of Spiders and Scorpions in Urban Areas
... ultimate body size. Small spiders only need a few molts (about five) whereas large spiders pass through about ten molts before reaching the adult stage. Small males achieve maturity with one or two fewer molts than large females [2]. 2.2 Biology of scorpions Scorpions originated approximately 400 mi ...
... ultimate body size. Small spiders only need a few molts (about five) whereas large spiders pass through about ten molts before reaching the adult stage. Small males achieve maturity with one or two fewer molts than large females [2]. 2.2 Biology of scorpions Scorpions originated approximately 400 mi ...
Biotic resistance experienced by an invasive crustacean
... and Cancer spp. with their monomorphic claws. While surveying Oregon estuaries for the status of the C. maenas invasion during the summer of 1998, we noted very little overlap in the distribution of C. maenas and C. productus. C. maenas was the dominant crab in the warmer, less saline upper estuary ...
... and Cancer spp. with their monomorphic claws. While surveying Oregon estuaries for the status of the C. maenas invasion during the summer of 1998, we noted very little overlap in the distribution of C. maenas and C. productus. C. maenas was the dominant crab in the warmer, less saline upper estuary ...
Chemical Control of Spiders and Scorpions in Urban Areas
... ultimate body size. Small spiders only need a few molts (about five) whereas large spiders pass through about ten molts before reaching the adult stage. Small males achieve maturity with one or two fewer molts than large females [2]. 2.2 Biology of scorpions Scorpions originated approximately 400 mi ...
... ultimate body size. Small spiders only need a few molts (about five) whereas large spiders pass through about ten molts before reaching the adult stage. Small males achieve maturity with one or two fewer molts than large females [2]. 2.2 Biology of scorpions Scorpions originated approximately 400 mi ...
Effects of physical disturbance and habitat
... Disturbance is a key factor regulating the structure and functioning of natural communities and causing spatial and temporal heterogeneity (Sousa 1984, Pickett & White 1985, Whitlatch et al. 1998, Zajac et al. 1998, Widdicombe & Austen 2001, Dernie et al. 2003). There are different definitions of di ...
... Disturbance is a key factor regulating the structure and functioning of natural communities and causing spatial and temporal heterogeneity (Sousa 1984, Pickett & White 1985, Whitlatch et al. 1998, Zajac et al. 1998, Widdicombe & Austen 2001, Dernie et al. 2003). There are different definitions of di ...
A gentle depilation of the niche: Dicean
... larger hypervolume or hyperspace defined on axes that scale those physical (including temporal) and biotic properties of the environment that are considered relevant to the species under study. Confusion has existed as to whether the so-called 'Hutchinsonian niche' is a subset of real space or a sub ...
... larger hypervolume or hyperspace defined on axes that scale those physical (including temporal) and biotic properties of the environment that are considered relevant to the species under study. Confusion has existed as to whether the so-called 'Hutchinsonian niche' is a subset of real space or a sub ...
Mangrove Workshop Manual - Smithsonian Environmental
... Intertidal mangrove swamp communities dominate the world’s tropical and subtropical coasts, paralleling the geographical distribution of coral reefs. They survive in substrate salinities ranging from fresh water alongside rivers to hypersaline ponds and mudflats. Mangrove plants are pioneer as well ...
... Intertidal mangrove swamp communities dominate the world’s tropical and subtropical coasts, paralleling the geographical distribution of coral reefs. They survive in substrate salinities ranging from fresh water alongside rivers to hypersaline ponds and mudflats. Mangrove plants are pioneer as well ...
The invasion of barred owls and its potential effect on
... apparently the largest of the barred owl subspecies, with relatively larger bill and feet. No mass data on this subspecies have been published, but lineal measurements reported by Ridgeway (1914) suggest that S. v. sartorii may be around 1.39 times larger in mass than typical S. v. varia. If this es ...
... apparently the largest of the barred owl subspecies, with relatively larger bill and feet. No mass data on this subspecies have been published, but lineal measurements reported by Ridgeway (1914) suggest that S. v. sartorii may be around 1.39 times larger in mass than typical S. v. varia. If this es ...
The Biology of Striga, Orobanche, and other Root
... Reviews on Orobanche (79) and the Orobanchaceae (135), have been pub lished in recent years. In addition, a series of bibliographies on Striga, Orobanche, and other parasitic weeds is being produced by the Weed Research Organization at Oxford, England. Two volumes based on sym posia have been publ ...
... Reviews on Orobanche (79) and the Orobanchaceae (135), have been pub lished in recent years. In addition, a series of bibliographies on Striga, Orobanche, and other parasitic weeds is being produced by the Weed Research Organization at Oxford, England. Two volumes based on sym posia have been publ ...
SoE 2016 Biodiversity report (PDF - 10.3 MB)
... accepted as the basis for planning the National Reserve System, measuring trends in distribution and abundance of organisms and ecosystems, documenting extinctions, and developing biodiversity conservation strategies. This report is designed as an overview of the state and trends of biodiversity bas ...
... accepted as the basis for planning the National Reserve System, measuring trends in distribution and abundance of organisms and ecosystems, documenting extinctions, and developing biodiversity conservation strategies. This report is designed as an overview of the state and trends of biodiversity bas ...
Reversing the habitat fragmentation of British
... covered perhaps 85-90 per cent of the land, but by the 11th century, clearance had reduced them to 15 per cent in England. Today, the remnants – the ancient woods – cover no more than 1.4 per cent of the land surface. The original, natural woods of England and Wales comprised a single forest of appr ...
... covered perhaps 85-90 per cent of the land, but by the 11th century, clearance had reduced them to 15 per cent in England. Today, the remnants – the ancient woods – cover no more than 1.4 per cent of the land surface. The original, natural woods of England and Wales comprised a single forest of appr ...
IDAHO CONSERVATION EFFORT - Colorado Natural Heritage
... APPENDIX A: Evaluation of Bat Use in Abandoned Mines ..................................................................... 43 APPENDIX B: Designs for Bat Gates........................................................................................................ 52 APPENDIX C: Guidelines for the Pr ...
... APPENDIX A: Evaluation of Bat Use in Abandoned Mines ..................................................................... 43 APPENDIX B: Designs for Bat Gates........................................................................................................ 52 APPENDIX C: Guidelines for the Pr ...
Use of Aquatic Herbicide Imazamox Supplemental Environmental Impact
... Table 5-1 USEPA ecotoxicological categories for mammals, birds, and aquatic organisms ....................... 5-1 Table 5-2 Summary of selected Imazamox toxicity........................................................................................ 5-2 Table 5-3 Federally listed threatened or endan ...
... Table 5-1 USEPA ecotoxicological categories for mammals, birds, and aquatic organisms ....................... 5-1 Table 5-2 Summary of selected Imazamox toxicity........................................................................................ 5-2 Table 5-3 Federally listed threatened or endan ...
Problem Definition - Information Technology
... is causing economic problems, environmental degradation, or harm to human health, which is a vital characteristic for it to be considered a true invasive species. As a general rule, invasive species follow a pattern of invasion in reference to these terms. The “10% Rule” says that of all the import ...
... is causing economic problems, environmental degradation, or harm to human health, which is a vital characteristic for it to be considered a true invasive species. As a general rule, invasive species follow a pattern of invasion in reference to these terms. The “10% Rule” says that of all the import ...
157
... and most recently mouflon sheep were intentionally introduced and now remain. Other game animals introduced relatively recently (1970s) include pheasants (Phasianus spp.), turkeys (Meleagris gallopavo), and francolins (Francolinus spp.) (Avery 2006). Although very little was previously known about t ...
... and most recently mouflon sheep were intentionally introduced and now remain. Other game animals introduced relatively recently (1970s) include pheasants (Phasianus spp.), turkeys (Meleagris gallopavo), and francolins (Francolinus spp.) (Avery 2006). Although very little was previously known about t ...
UNIVERSIDAD AUT ´ONOMA DE MADRID FACULTAD DE
... (más aún tras haber tenido la oportunidad de trabajar con él), pero aún mayor es su calidad humana. Sin su ayuda, el tercer capı́tulo de esta tesis no hubiera llegado a donde lo ha hecho. Pero sin MaryJane Moses y Angélique Dupuch el equipo ártico no hubiera sido igual. MaryJane se ...
... (más aún tras haber tenido la oportunidad de trabajar con él), pero aún mayor es su calidad humana. Sin su ayuda, el tercer capı́tulo de esta tesis no hubiera llegado a donde lo ha hecho. Pero sin MaryJane Moses y Angélique Dupuch el equipo ártico no hubiera sido igual. MaryJane se ...
Author`s personal copy
... is fundamental to understand recruitment limitation and to interpret seed addition experiments (Clark et al., 2007). This is a central issue when attempting to assess limiting factors of local densities, where the magnitudes of limitation at both seed and seedling stages need to be evaluated. Additi ...
... is fundamental to understand recruitment limitation and to interpret seed addition experiments (Clark et al., 2007). This is a central issue when attempting to assess limiting factors of local densities, where the magnitudes of limitation at both seed and seedling stages need to be evaluated. Additi ...
Human impacts on how savanna plants interact through fire, resources,... A Dissertation SUBMITTED TO THE FACULTY OF
... The financial assistance of the National Research Foundation (NRF) towards this research is hereby acknowledged. Opinions expressed and conclusions arrived at, are those of the author and are not necessarily to be attributed to the NRF. I was supported, in part, by a Scholarship for Doctoral Study A ...
... The financial assistance of the National Research Foundation (NRF) towards this research is hereby acknowledged. Opinions expressed and conclusions arrived at, are those of the author and are not necessarily to be attributed to the NRF. I was supported, in part, by a Scholarship for Doctoral Study A ...
ecological community - Department of the Environment
... regional variants and/or sub-components and/or sub-types and/or sub-communities or these could be defined as separate ecological communities. Some communities are widespread and may even occur across several state/territory jurisdictions, while others are more restricted in location (e.g. state or r ...
... regional variants and/or sub-components and/or sub-types and/or sub-communities or these could be defined as separate ecological communities. Some communities are widespread and may even occur across several state/territory jurisdictions, while others are more restricted in location (e.g. state or r ...
PDF
... them where they evolved. The chances are very much lower for arthropod pests that evolved in Southeast Asia of introducing effective, sufficiently host-specific, organisms from outside the region. On the other hand, there is reason to believe that some parasitoids of pests that are thought to have a ...
... them where they evolved. The chances are very much lower for arthropod pests that evolved in Southeast Asia of introducing effective, sufficiently host-specific, organisms from outside the region. On the other hand, there is reason to believe that some parasitoids of pests that are thought to have a ...
habitat management guidelines for amphibians and
... This book is part of a five-volume series covering the contiguous United States and parts of Canada. Each volume covers a regional, geographic area and is largely based on ecoregions. The Northwest volume was written with the intent of eventually making it available to the public as modules via the ...
... This book is part of a five-volume series covering the contiguous United States and parts of Canada. Each volume covers a regional, geographic area and is largely based on ecoregions. The Northwest volume was written with the intent of eventually making it available to the public as modules via the ...
Understanding broad-scale vegetation patterns Abst
... ecology, and the importance of early laboratory experiments with microorganism and small insects should not be underestimated. However, the facts that most of the living biomass on the planet is in the form of plants, and that plants are much easier to capture and measure and re-measure than animals ...
... ecology, and the importance of early laboratory experiments with microorganism and small insects should not be underestimated. However, the facts that most of the living biomass on the planet is in the form of plants, and that plants are much easier to capture and measure and re-measure than animals ...
California native and exotic perennial grasses differ
... potentially reducing light, water, and nutrients available for emerging perennial ...
... potentially reducing light, water, and nutrients available for emerging perennial ...
Habitat displacement effect between two competing owl species in
... Foothills). Inventory of owls in different years should not influence results, as the distribution of owls in some parts of both areas has been inventoried several times since 1995 (Foothills) and 2000 (Uplands), and most territories were found to be constant through time (Kajtoch 2006; Turzański 2 ...
... Foothills). Inventory of owls in different years should not influence results, as the distribution of owls in some parts of both areas has been inventoried several times since 1995 (Foothills) and 2000 (Uplands), and most territories were found to be constant through time (Kajtoch 2006; Turzański 2 ...
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.