Butterfly Populations - North American Butterfly Association
... willing to cross. These corridors usually must be about the same vegetational structure (e.g. grassland, scrub, forest) as the habitat the species requires. Dispersal down corridors is more likely if they offer some sort of resource, such as preferred adult food, that lures the individuals in and th ...
... willing to cross. These corridors usually must be about the same vegetational structure (e.g. grassland, scrub, forest) as the habitat the species requires. Dispersal down corridors is more likely if they offer some sort of resource, such as preferred adult food, that lures the individuals in and th ...
Distribution and Diversity of Fiji`s Terrestrial
... Abstract: In 2003 The Wildlife Conservation Society attempted to evaluate the conservation status of Fiji’s natural forests including identifying a series of biological provinces (based on the distribution and endemism of a number of terrestrial taxa) in which some form of conservation area would ne ...
... Abstract: In 2003 The Wildlife Conservation Society attempted to evaluate the conservation status of Fiji’s natural forests including identifying a series of biological provinces (based on the distribution and endemism of a number of terrestrial taxa) in which some form of conservation area would ne ...
Introduction to EwE Ecopath with Ecosim
... Ecopath base rate MijBi: vij= κijMij (user must specify κij) • Next, calculate rate of effective search aij by solving the foraging arena equation for aij with Qij set to Ecopath base value and vij set to κijMij. • This approach forces the dynamic model to predict the Ecopath base rates whenever all ...
... Ecopath base rate MijBi: vij= κijMij (user must specify κij) • Next, calculate rate of effective search aij by solving the foraging arena equation for aij with Qij set to Ecopath base value and vij set to κijMij. • This approach forces the dynamic model to predict the Ecopath base rates whenever all ...
Filling Key Gaps in Population and Community Ecology
... (plasticity), natural selection, and phylogenetic history, is function of biotic and abiotic context. For example, many a timely and key avenue of research. In the area of indi- studies have demonstrated a substantial influence of landvidual and community feedbacks, we argue that both the- scape or ...
... (plasticity), natural selection, and phylogenetic history, is function of biotic and abiotic context. For example, many a timely and key avenue of research. In the area of indi- studies have demonstrated a substantial influence of landvidual and community feedbacks, we argue that both the- scape or ...
Explaining the global biodiversity gradient: energy, area, history and
... related to its energy (Turner, 1986). The mechanism which generates such a correlation may or may not be the link postulated in the neutral theory. There is indeed a curious anomaly in this part of the theory. Biodiversity is predicted to increase with the number of individuals, or, factoring out ar ...
... related to its energy (Turner, 1986). The mechanism which generates such a correlation may or may not be the link postulated in the neutral theory. There is indeed a curious anomaly in this part of the theory. Biodiversity is predicted to increase with the number of individuals, or, factoring out ar ...
Chapter 3 Environment: The Science behind the Stories 4th Edition
... • Large organisms usually have low densities - They need many resources and a large area to survive • High densities make it easier to find mates - But increase competition and vulnerability to predation - Increased transmission of diseases • Low densities make it harder to find mates - But individu ...
... • Large organisms usually have low densities - They need many resources and a large area to survive • High densities make it easier to find mates - But increase competition and vulnerability to predation - Increased transmission of diseases • Low densities make it harder to find mates - But individu ...
Penicillium astrolabium and Penicillium neocrassum, two new
... P. astrolabium and P. neocrassum, indicating that these taxa are genetically well isolated. Key words: DNA sequences, fungi, grapes, taxonomy ...
... P. astrolabium and P. neocrassum, indicating that these taxa are genetically well isolated. Key words: DNA sequences, fungi, grapes, taxonomy ...
Leaf size, specific leaf area and microhabitat
... values represent hill and ridge tops, while negative values represent valley bottoms. An insolation model (Hetrick et al. 1993) was used to predict PDI incident at each point based on slope, aspect and neighboring topography (see Weiss et al. 1993). For this study, estimates were obtained for the sp ...
... values represent hill and ridge tops, while negative values represent valley bottoms. An insolation model (Hetrick et al. 1993) was used to predict PDI incident at each point based on slope, aspect and neighboring topography (see Weiss et al. 1993). For this study, estimates were obtained for the sp ...
Cuon alpinus, Dhole
... protected areas, ungulates occur at levels well below natural. All species of ungulate except muntjacs (Muntiacus spp.), pigs (Sus spp.) and in some areas southern serow (Naemorhedus sumatraensis) are ecologically or fully extinct across extensive parts of the region. Only a few of the largest wilde ...
... protected areas, ungulates occur at levels well below natural. All species of ungulate except muntjacs (Muntiacus spp.), pigs (Sus spp.) and in some areas southern serow (Naemorhedus sumatraensis) are ecologically or fully extinct across extensive parts of the region. Only a few of the largest wilde ...
Habitat filtering by landscape and local forest composition in native
... undisturbed indigenous habitats to highly urbanized areas (e.g., van Heezik et al. 2008, Sol et al. 2012). It has therefore been proposed that native and exotic species rarely interact directly, because habitat partitioning and human disturbance prevent their local co-occurrence (Sol et al. 2012). H ...
... undisturbed indigenous habitats to highly urbanized areas (e.g., van Heezik et al. 2008, Sol et al. 2012). It has therefore been proposed that native and exotic species rarely interact directly, because habitat partitioning and human disturbance prevent their local co-occurrence (Sol et al. 2012). H ...
Understanding and confronting species uncertainty in biology and
... can be observed easily and have distinguishing morphological characters, this subjective element will seem remote and biologists can agree on the organisms to be included in a species taxon. However, for many organisms that live in soil or water, or within or upon other larger organisms, the subject ...
... can be observed easily and have distinguishing morphological characters, this subjective element will seem remote and biologists can agree on the organisms to be included in a species taxon. However, for many organisms that live in soil or water, or within or upon other larger organisms, the subject ...
A Proposal to Create a Registry of Sites of International Importance
... Birds that are concentrated in space and time during migration are especially vulnerable to such conservation threats as shooting or losses of critical feeding or resting areas (Myers etal. 1986). The presence of large numbers of birds is one measure of an area's ecological importance, and concentra ...
... Birds that are concentrated in space and time during migration are especially vulnerable to such conservation threats as shooting or losses of critical feeding or resting areas (Myers etal. 1986). The presence of large numbers of birds is one measure of an area's ecological importance, and concentra ...
Wildlife corridors - natural resource management information note
... habitat, generally native vegetation, which joins two or more larger areas of similar wildlife habitat. Corridors are critical for the maintenance of ecological processes including allowing for the movement of animals and the continuation of viable populations. ...
... habitat, generally native vegetation, which joins two or more larger areas of similar wildlife habitat. Corridors are critical for the maintenance of ecological processes including allowing for the movement of animals and the continuation of viable populations. ...
Ecological niche - Biomathematics and Statistics Scotland
... competing species, since its population growth rate decreases to negative values in some conditions. To a good approximation, if we ignore stochastic sampling from a heterogeneous species’ population, species does fill its realized niche. According to Hutchinson’s formalization, niches of different ...
... competing species, since its population growth rate decreases to negative values in some conditions. To a good approximation, if we ignore stochastic sampling from a heterogeneous species’ population, species does fill its realized niche. According to Hutchinson’s formalization, niches of different ...
Ecological niche , , Jitka Polechov amp David Storch Department of
... habitats. such that it has always an option to thrive out of the range of conditions preferred by black redstart. sympatric populations of competing species evolve towards more different sizes of characters associated with food consumption beaks. Simple separation of niche optima is not. and the oth ...
... habitats. such that it has always an option to thrive out of the range of conditions preferred by black redstart. sympatric populations of competing species evolve towards more different sizes of characters associated with food consumption beaks. Simple separation of niche optima is not. and the oth ...
LOCAL AND REGIONAL PATTERNS OF SPECIES RICHNESS IN
... and tall-sedge vegetation, (E) fens and transitional mires, (F) perennial synanthropic vegetation and (G) annual synanthropic vegetation. Relationships between local species richness (alpha diversity) and pH/calcium were positive for vegetation types A and C, negative for D and G, unimodal for E, an ...
... and tall-sedge vegetation, (E) fens and transitional mires, (F) perennial synanthropic vegetation and (G) annual synanthropic vegetation. Relationships between local species richness (alpha diversity) and pH/calcium were positive for vegetation types A and C, negative for D and G, unimodal for E, an ...
Terrestrial vertebrate fauna of the Greater Southern Sydney Region
... Climate Change and Environment Protection Group Department of Environment and Climate Change (NSW) July 2007 ...
... Climate Change and Environment Protection Group Department of Environment and Climate Change (NSW) July 2007 ...
Top predator control of plant biodiversity and productivity in an old
... spumaris, the Solidago-specialist plant bug Lopidea media, the planthoppers Campylenchia latipes and Stichtocephala festina, the generalist pentatomid Acrosternum hilare, the milkweed bug Lygaeus kalmii and a grass specialist plant bug Leptopterna dolobrata is present during early June to mid-July. ...
... spumaris, the Solidago-specialist plant bug Lopidea media, the planthoppers Campylenchia latipes and Stichtocephala festina, the generalist pentatomid Acrosternum hilare, the milkweed bug Lygaeus kalmii and a grass specialist plant bug Leptopterna dolobrata is present during early June to mid-July. ...
assessment
... juveniles have been translocated to Necker Island. The total population, including individuals on Anegada, Guana, and Necker probably consists of fewer than 200 individuals. 30-50 left at last count on Anegada. Small population on another inhabited Cay put there some years ago. Recent visits to Aneg ...
... juveniles have been translocated to Necker Island. The total population, including individuals on Anegada, Guana, and Necker probably consists of fewer than 200 individuals. 30-50 left at last count on Anegada. Small population on another inhabited Cay put there some years ago. Recent visits to Aneg ...
A duty to cognitively enhance animals
... to be taken for granted. But others believe sentience is not only sufficient by also necessary for moral status (Singer, 1995). Here is a hypothetical case that supports the idea that biodiversity is something of intrinsic moral value. Imagine you are a space surveyor with very sophisticated technol ...
... to be taken for granted. But others believe sentience is not only sufficient by also necessary for moral status (Singer, 1995). Here is a hypothetical case that supports the idea that biodiversity is something of intrinsic moral value. Imagine you are a space surveyor with very sophisticated technol ...
2016 EVENET Symposium
... is crucial in times when planet Earth undergoes fast change of social-ecological baselines. Big strides have been made in our understanding of evolution of species and communities to the ever-unfolding change of our environment. However, few attempts have been made to use evolutionary concepts and t ...
... is crucial in times when planet Earth undergoes fast change of social-ecological baselines. Big strides have been made in our understanding of evolution of species and communities to the ever-unfolding change of our environment. However, few attempts have been made to use evolutionary concepts and t ...
Niche conservatism as an emerging principle in ecology and
... The niche has been defined in terms of the distribution of species, the functions they perform and the resources they consume (reviewed in Soberón 2007). These definitions can be separated into two classes (Soberón 2007). The Grinnellian niche or non-interactive niche, is important for understandi ...
... The niche has been defined in terms of the distribution of species, the functions they perform and the resources they consume (reviewed in Soberón 2007). These definitions can be separated into two classes (Soberón 2007). The Grinnellian niche or non-interactive niche, is important for understandi ...
Insect conservation in an urban biodiversity hotspot: The San
... the Bay Area. If patterns of diversity and its loss among butterflies mirrors that of other insect taxa, then 43% of the insect fauna of San Francisco is extinct within that county, but may persist in less urbanized counties. While it might be difficult to gather very specific locality data from spe ...
... the Bay Area. If patterns of diversity and its loss among butterflies mirrors that of other insect taxa, then 43% of the insect fauna of San Francisco is extinct within that county, but may persist in less urbanized counties. While it might be difficult to gather very specific locality data from spe ...
Plant coexistence in coastal heaths: post
... habitats was converging over 3 years. This suggests that initially these processes differ in space between the two habitats with more species in the wet heath being packed into a smaller area than in the dry heath. Seed-banks of species did not saturate available space for recruitment in either habi ...
... habitats was converging over 3 years. This suggests that initially these processes differ in space between the two habitats with more species in the wet heath being packed into a smaller area than in the dry heath. Seed-banks of species did not saturate available space for recruitment in either habi ...
Online Resource Title: Supporting conservation with biodiversity
... woodlands, moderate in smallwith conservation, but riparian holder and wooded grasslands, and woodlands are key low in large-holder farms lower richness in plantations and land use should be considered for frog cultivation conservation ...
... woodlands, moderate in smallwith conservation, but riparian holder and wooded grasslands, and woodlands are key low in large-holder farms lower richness in plantations and land use should be considered for frog cultivation conservation ...