The University of Chicago
... 1988, 1996; Johnson et al. 1996). Theory tells us that we may expect a variety of important indirect effects to emerge as a consequence of disturbances (perturbations) because the dynamics of particular species on which they may have an impact are often tightly linked to the dynamics of other specie ...
... 1988, 1996; Johnson et al. 1996). Theory tells us that we may expect a variety of important indirect effects to emerge as a consequence of disturbances (perturbations) because the dynamics of particular species on which they may have an impact are often tightly linked to the dynamics of other specie ...
BIODIVERSITY AND ECOSYSTEM SERVICES OF WETLANDS
... plants, animals and microorganisms, interacting among themselves and with their non-living environment (energy, water, and gaseous and mineral elements). Humans are just one of millions of kinds of organisms, and therefore, depend for their existence, survival and various activities upon the Earth’s ...
... plants, animals and microorganisms, interacting among themselves and with their non-living environment (energy, water, and gaseous and mineral elements). Humans are just one of millions of kinds of organisms, and therefore, depend for their existence, survival and various activities upon the Earth’s ...
Robber Flies, Asilidae (Insecta: Diptera: Asilidae)1
... The Asilidae enjoy a worldwide distribution, with some groups limited to certain regions (Hull 1962). For instance, the Megapodinae spp. are unique to the Neotropical region. Large island chains tend to encompass abundant Asilid faunas, particularly those south of Asia. By contrast, smaller islands ...
... The Asilidae enjoy a worldwide distribution, with some groups limited to certain regions (Hull 1962). For instance, the Megapodinae spp. are unique to the Neotropical region. Large island chains tend to encompass abundant Asilid faunas, particularly those south of Asia. By contrast, smaller islands ...
The intraspecific scaling of metabolic rate with body mass in fishes
... of such a law arise from large variation in b recently reported for animals and plants, both within and between species (Bokma 2004; Glazier 2005; White et al. 2006; Seibel 2007; Makarieva et al. 2008). A key question is to what extent is this variation just statistical ÔnoiseÕ about an average scal ...
... of such a law arise from large variation in b recently reported for animals and plants, both within and between species (Bokma 2004; Glazier 2005; White et al. 2006; Seibel 2007; Makarieva et al. 2008). A key question is to what extent is this variation just statistical ÔnoiseÕ about an average scal ...
Derivation of the Extrinsic Values of Biological Diversity from Its
... wrong of an action). For example, people living in rural areas may have a different frequency distribution of opinions from those living in cities. Thus, the majority of people living in Florida support the reintroduction of Florida panthers to areas where the species was extirpated, yet most rural ...
... wrong of an action). For example, people living in rural areas may have a different frequency distribution of opinions from those living in cities. Thus, the majority of people living in Florida support the reintroduction of Florida panthers to areas where the species was extirpated, yet most rural ...
ON THE ECOLOGY OF INVASIVE SPECIES, EXTINCTION
... lucky enough to be raised in the backwaters of the Chesapeake Bay, where he canoed, crabbed, and swam. At a young age, he was also lucky enough to become employed as the “kid” at several ski and outdoor shops; these experiences formed the foundation of Josh’s relationship with the nature. At least i ...
... lucky enough to be raised in the backwaters of the Chesapeake Bay, where he canoed, crabbed, and swam. At a young age, he was also lucky enough to become employed as the “kid” at several ski and outdoor shops; these experiences formed the foundation of Josh’s relationship with the nature. At least i ...
2 OBJECTIVE: Prevent the introduction of ANS into CT
... Long Island Sound’s environmental conditions can vary widely throughout the course of a year; for example, water temperatures range from 1oC in winter to 22 oC during late summer. Climate change shifts of just a degree or two can have a profound influence on the species living in the Sound, some of ...
... Long Island Sound’s environmental conditions can vary widely throughout the course of a year; for example, water temperatures range from 1oC in winter to 22 oC during late summer. Climate change shifts of just a degree or two can have a profound influence on the species living in the Sound, some of ...
Competitive Response Hierarchies for Germination
... influenced by competition. While it is clear that the magnitude and even the direction (competition or facilitation) of interactions can change over the life history of a single species (e.g., Gurevitch 1986, De Steven 1991a, b), it is less well known how competitive hierarchies among multiple speci ...
... influenced by competition. While it is clear that the magnitude and even the direction (competition or facilitation) of interactions can change over the life history of a single species (e.g., Gurevitch 1986, De Steven 1991a, b), it is less well known how competitive hierarchies among multiple speci ...
ON THE ECOLOGY OF INVASIVE SPECIES, EXTINCTION
... lucky enough to be raised in the backwaters of the Chesapeake Bay, where he canoed, crabbed, and swam. At a young age, he was also lucky enough to become employed as the “kid” at several ski and outdoor shops; these experiences formed the foundation of Josh’s relationship with the nature. At least i ...
... lucky enough to be raised in the backwaters of the Chesapeake Bay, where he canoed, crabbed, and swam. At a young age, he was also lucky enough to become employed as the “kid” at several ski and outdoor shops; these experiences formed the foundation of Josh’s relationship with the nature. At least i ...
Invasion processes and causes of success.
... 1999; Vanderwoude et al. 2000), but like the Argentine ant may be less able to do so in drier areas. More research is needed to clarify the importance of competitive resistance in influencing invasion patterns in regions with highly diverse ant faunas, like Australia. While biotic resistance from co ...
... 1999; Vanderwoude et al. 2000), but like the Argentine ant may be less able to do so in drier areas. More research is needed to clarify the importance of competitive resistance in influencing invasion patterns in regions with highly diverse ant faunas, like Australia. While biotic resistance from co ...
Common Ancestry Is a Poor Predictor of Competitive Traits in
... All investigations of the importance of phylogenetic distance as a predictor of ecological interactions and community assembly ultimately rely on the assumption that the traits determining species' ecologies display a phylogenetic signal [15]. When ecological traits do display a phylogenetic signal, ...
... All investigations of the importance of phylogenetic distance as a predictor of ecological interactions and community assembly ultimately rely on the assumption that the traits determining species' ecologies display a phylogenetic signal [15]. When ecological traits do display a phylogenetic signal, ...
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 ...
PETITION TO LIST THE Narrow-foot Hygrotus Diving Beetle
... The Narrow-foot Hygrotus Diving Beetle, Hygrotus diversipes, is about 4.5mm in length, oval in shape, with a pale yellowish color on its back and black on its abdomen. Miller 2002 at 1. The Diving Beetle has some unusual characteristics, which are probably synapomorphies (traits common to two or mor ...
... The Narrow-foot Hygrotus Diving Beetle, Hygrotus diversipes, is about 4.5mm in length, oval in shape, with a pale yellowish color on its back and black on its abdomen. Miller 2002 at 1. The Diving Beetle has some unusual characteristics, which are probably synapomorphies (traits common to two or mor ...
The impact of nitrogen deposition on acid grasslands in the Atlantic
... Pearson and Stewart, 1993; Sheppard and Leith, 2002). Concentrations of ammonia high enough to cause direct toxicity are quite rare in Europe and generally only occur in the immediate vicinity of point sources. However, at lower levels, the effects of N deposition on vegetation can still be observed ...
... Pearson and Stewart, 1993; Sheppard and Leith, 2002). Concentrations of ammonia high enough to cause direct toxicity are quite rare in Europe and generally only occur in the immediate vicinity of point sources. However, at lower levels, the effects of N deposition on vegetation can still be observed ...
Plant functional composition influences rates of soil carbon and nitrogen accumulation
... presence of critical plant functional traits which are related to the acquisition, processing and use of key resources such as N (see Díaz & Cabido 2001; Lavorel & Garnier 2002; Hooper et al. 2005). Using the terminology of Loreau & Hector (2001), we call the positive effects that result from inters ...
... presence of critical plant functional traits which are related to the acquisition, processing and use of key resources such as N (see Díaz & Cabido 2001; Lavorel & Garnier 2002; Hooper et al. 2005). Using the terminology of Loreau & Hector (2001), we call the positive effects that result from inters ...
Fire regimes and fire effects in Chilean Araucaria Forests.
... Antarctic Treaty first and the Madrid Protocol later, which seeks the ‘comprehensive protection of the Antarctic environment and dependent and associated ecosystems’, suggest a clear framework for its conservation. However, recent analyses suggest that current system of protection may not be suffici ...
... Antarctic Treaty first and the Madrid Protocol later, which seeks the ‘comprehensive protection of the Antarctic environment and dependent and associated ecosystems’, suggest a clear framework for its conservation. However, recent analyses suggest that current system of protection may not be suffici ...
Identification of Species and Habitats that Support Commercial
... fisheries, we describe common characteristics of species fulfilling each role and provide a few examples of such species. We also discuss vulnerability to perturbation and the most common types of human-induced perturbations that will affect support species. For each function, we provide guidance on ...
... fisheries, we describe common characteristics of species fulfilling each role and provide a few examples of such species. We also discuss vulnerability to perturbation and the most common types of human-induced perturbations that will affect support species. For each function, we provide guidance on ...
Programme - Arid Zone Ecology Forum
... WWF’s influence has been significant in the Succulent Karoo, with its primary intervention being the establishment of the Leslie Hill Succulent Karoo Trust in 1994. The trust has been instrumental in conserving the Succulent Karoo by facilitating the purchase of more than 210 000 ha of land within t ...
... WWF’s influence has been significant in the Succulent Karoo, with its primary intervention being the establishment of the Leslie Hill Succulent Karoo Trust in 1994. The trust has been instrumental in conserving the Succulent Karoo by facilitating the purchase of more than 210 000 ha of land within t ...
Impact Assessment of Invasive Plant Species in Selected
... out the field study. We are also indebted to those organizations and individuals, who spent their precious time during consultations, discussions, meetings and field observations. Last but not least we would like to express our gratitude to all individuals who helped us in one way or another. ...
... out the field study. We are also indebted to those organizations and individuals, who spent their precious time during consultations, discussions, meetings and field observations. Last but not least we would like to express our gratitude to all individuals who helped us in one way or another. ...
- Wiley Online Library
... One notable characteristic of the literature on facilitation is that the definition of the concept itself has been remarkably fluid. Unlike the extensive literature on the definition of mutualism, which began barely a decade after the term was first coined (Bronstein 2001a), this inconsistency has recei ...
... One notable characteristic of the literature on facilitation is that the definition of the concept itself has been remarkably fluid. Unlike the extensive literature on the definition of mutualism, which began barely a decade after the term was first coined (Bronstein 2001a), this inconsistency has recei ...
Fifth National Report to the Convention on Biological Diversity Sweden
... 1.2 Major changes in the status and trends of biodiversity in Sweden There are as many ways to describe changes in the status and trends of biodiversity as there are kinds of biodiversity components. In this section two aspects of biodiversity are dealt with, based on two recent evaluations performe ...
... 1.2 Major changes in the status and trends of biodiversity in Sweden There are as many ways to describe changes in the status and trends of biodiversity as there are kinds of biodiversity components. In this section two aspects of biodiversity are dealt with, based on two recent evaluations performe ...
mutualisms and facilitation
... One notable characteristic of the literature on facilitation is that the definition of the concept itself has been remarkably fluid. Unlike the extensive literature on the definition of mutualism, which began barely a decade after the term was first coined (Bronstein 2001a), this inconsistency has recei ...
... One notable characteristic of the literature on facilitation is that the definition of the concept itself has been remarkably fluid. Unlike the extensive literature on the definition of mutualism, which began barely a decade after the term was first coined (Bronstein 2001a), this inconsistency has recei ...