Analysis of the Port Tobacco Christmas Bird Count
... this paper examines the results of the Christmas Bird Count and how bird populations in the Port Tobacco area have changed over the last 27 years. Additionally, changes in populations of specific groups of birds (such as those that share a similar habitat) as well as changes in populations of indivi ...
... this paper examines the results of the Christmas Bird Count and how bird populations in the Port Tobacco area have changed over the last 27 years. Additionally, changes in populations of specific groups of birds (such as those that share a similar habitat) as well as changes in populations of indivi ...
Ecological Impacts of Feral Cats
... be the worst environmental disaster in the history of the United States, resulted in the deaths of over 7,000 birds: A 2009 study estimated the number of birds killed by cats every year in the United States at one billion, conservatively.11 In southern California, researchers observed that native bi ...
... be the worst environmental disaster in the history of the United States, resulted in the deaths of over 7,000 birds: A 2009 study estimated the number of birds killed by cats every year in the United States at one billion, conservatively.11 In southern California, researchers observed that native bi ...
Threatened Species Conservation Regulation 2010
... inferred or reasonably suspected to have undergone or is likely to undergo within a time span appropriate to the life cycle and habitat characteristics of its component species: (a) for critically endangered ecological communities—a very large reduction in ecological function, or (b) for endangered ...
... inferred or reasonably suspected to have undergone or is likely to undergo within a time span appropriate to the life cycle and habitat characteristics of its component species: (a) for critically endangered ecological communities—a very large reduction in ecological function, or (b) for endangered ...
L17.5_Population Growth
... Density-Dependent Factors – Density-dependent factors operate only when the population density reaches a certain level. These factors operate most strongly when a population is large and dense. – They do not affect small, scattered populations as greatly. ...
... Density-Dependent Factors – Density-dependent factors operate only when the population density reaches a certain level. These factors operate most strongly when a population is large and dense. – They do not affect small, scattered populations as greatly. ...
Attwater`s Prairie-Chicken Business Plan
... Louisiana. The species was listed as endangered in 1967 when slightly more than 1,000 individuals existed. The Attwater Prairie Chicken National Wildlife Refuge was created in 1972 to provide a secure environment in which prairie-chickens could live. But those actions did not seem to slow the pace a ...
... Louisiana. The species was listed as endangered in 1967 when slightly more than 1,000 individuals existed. The Attwater Prairie Chicken National Wildlife Refuge was created in 1972 to provide a secure environment in which prairie-chickens could live. But those actions did not seem to slow the pace a ...
Handbook of Health Social Work, 2 nd Edition
... The list of resources should include providers who specialize in genetic education and counseling, in addition to online resources that can link clients to supportive and informative communities, particularly for rare genetic conditions. Social workers should also be prepared to help patients in ...
... The list of resources should include providers who specialize in genetic education and counseling, in addition to online resources that can link clients to supportive and informative communities, particularly for rare genetic conditions. Social workers should also be prepared to help patients in ...
threatened plants of canterbury including a revised species list
... although it is not a limestone obligate. Apart from those species that are highly localised in either distribution or habitat, modification of indigenous communities by humans is a major reason for the number of threatened plants found in Canterbury. Human impacts have been most severe in lowland ar ...
... although it is not a limestone obligate. Apart from those species that are highly localised in either distribution or habitat, modification of indigenous communities by humans is a major reason for the number of threatened plants found in Canterbury. Human impacts have been most severe in lowland ar ...
NatureServe Explorer - Global Invasive Species Information Network
... concept changes. The system also has the capability to cross-walk between data sets during our annual exchange of data with each individual member program. The information that is collected on elements or biodiversity units (e.g. species, ecological communities) includes distribution, status, natura ...
... concept changes. The system also has the capability to cross-walk between data sets during our annual exchange of data with each individual member program. The information that is collected on elements or biodiversity units (e.g. species, ecological communities) includes distribution, status, natura ...
ch. 51 - The Westminster Schools
... When a source of food is farther from the nest, the returning bee performs a “waggle dance,” consisting of a half-circle swing in one direction, a straight run, and a half-circle swing in the other direction to communicate the direction and distance of the food source from the hive. o The angle of t ...
... When a source of food is farther from the nest, the returning bee performs a “waggle dance,” consisting of a half-circle swing in one direction, a straight run, and a half-circle swing in the other direction to communicate the direction and distance of the food source from the hive. o The angle of t ...
El Nino and introduced insects in the Galapagos Islands: different
... Clutch sizes were elevated and finches bred repeatedly. In 1998, short-term observations of ground finches on other islands indicated repeated breeding, but an early cessation, perhaps even earlier than on Daphne (D. Day, M. Hau, and M. Wikelski, pers. comm.). One of the things we have learned from ...
... Clutch sizes were elevated and finches bred repeatedly. In 1998, short-term observations of ground finches on other islands indicated repeated breeding, but an early cessation, perhaps even earlier than on Daphne (D. Day, M. Hau, and M. Wikelski, pers. comm.). One of the things we have learned from ...
LIFE HISTORIES Chapter 12
... With low adult survival, organisms begin reproducing earlier and invest more energy into reproduction; when adult survival is higher, organisms defer reproduction to a later age (larger body size) and allocate less energy to reproduction. ...
... With low adult survival, organisms begin reproducing earlier and invest more energy into reproduction; when adult survival is higher, organisms defer reproduction to a later age (larger body size) and allocate less energy to reproduction. ...
PDF - Northern Research Station
... in both conflicts, pitting nearby residents, recreational users and other interest groups against natural areas managers and volunteer restorationists who on the whole all share a common love for nature and desire to see it protected. In Chicago, prairie and savannah ecosystems are primary targets o ...
... in both conflicts, pitting nearby residents, recreational users and other interest groups against natural areas managers and volunteer restorationists who on the whole all share a common love for nature and desire to see it protected. In Chicago, prairie and savannah ecosystems are primary targets o ...
migration - Princeton University
... most birds, travel the same circuit each year. Others, however, may only complete a single circuit in their lifetime (e.g., salmon) or only part of a circuit before they die, such as insects in which successive generations continue the journey their predecessors began. Should we exclude such species ...
... most birds, travel the same circuit each year. Others, however, may only complete a single circuit in their lifetime (e.g., salmon) or only part of a circuit before they die, such as insects in which successive generations continue the journey their predecessors began. Should we exclude such species ...
FRAMEWORK FOR CHARACTERIZING CONSERVATION UNITS
... adaptations that are reproductively coupled. Under the WSP CUs have the dual roles of firstly being, in some sense, fundamental units of biodiversity and secondly, of being the accounting units for documenting progress in achieving the policy goals of the WSP. The initial steps in protecting biologi ...
... adaptations that are reproductively coupled. Under the WSP CUs have the dual roles of firstly being, in some sense, fundamental units of biodiversity and secondly, of being the accounting units for documenting progress in achieving the policy goals of the WSP. The initial steps in protecting biologi ...
Multiple Sequence Alignments
... • Profiles just seen are called average profiles • Generally perform well, but disregard some of the biology – How did each position evolve? – Amount of conservation varies from position to position – Type of conservation varies from position to position ...
... • Profiles just seen are called average profiles • Generally perform well, but disregard some of the biology – How did each position evolve? – Amount of conservation varies from position to position – Type of conservation varies from position to position ...
13.1 Ecologists Study Relationships
... track and include looking for other signs of their presence. ...
... track and include looking for other signs of their presence. ...
Effects of Insularisation on Plant ... the Prairie-Forest Ecotone
... used a simulation. For each species i we rained simulated propagules down one at a time onto a set orS simulated buckets, with the size of each bucket proportional to the area of a given remnant. The simulation stopped when N i of the buckets were occupied (contained at least one propagule). This si ...
... used a simulation. For each species i we rained simulated propagules down one at a time onto a set orS simulated buckets, with the size of each bucket proportional to the area of a given remnant. The simulation stopped when N i of the buckets were occupied (contained at least one propagule). This si ...
Putting Scientific Work in Context: Introductions
... Migration of the Buchans herd represents a traditional movement of caribou on the island of Newfoundland; since the late 1950s it has been intensively studied (Bergerud 1974), along with herd size, population structure, and body size. By augmenting long-term data with more recent observations from r ...
... Migration of the Buchans herd represents a traditional movement of caribou on the island of Newfoundland; since the late 1950s it has been intensively studied (Bergerud 1974), along with herd size, population structure, and body size. By augmenting long-term data with more recent observations from r ...
bakersfield cactus - Bakersfield Habitat Conservation Plan
... “What’s important to realize is when you conserve habitats in the San Joaquin Valley for threatened and endangered species like the Bakersfield cactus, you are actually conserving habitat for numerous other sensitive, threatened and endangered species, as they often occupy the same habitat,” she sai ...
... “What’s important to realize is when you conserve habitats in the San Joaquin Valley for threatened and endangered species like the Bakersfield cactus, you are actually conserving habitat for numerous other sensitive, threatened and endangered species, as they often occupy the same habitat,” she sai ...
Picture - Emanuel A. Fronhofer
... Although generations of researchers have studied the factors that limit the distributions of species, we still do not seem to understand this phenomenon comprehensively. Traditionally, species’ ranges have been seen as the consequence of abiotic conditions and local adaptation to the environment. Ho ...
... Although generations of researchers have studied the factors that limit the distributions of species, we still do not seem to understand this phenomenon comprehensively. Traditionally, species’ ranges have been seen as the consequence of abiotic conditions and local adaptation to the environment. Ho ...