Annemarie Nagle
... successional stages, various patterns of birth, death, and disturbance, and graded physical conditions. In fact, their definition of climax as a “state [that] is best viewed as the most probable state at any point in an area which has remained in a constant climate without major catastrophe for a lo ...
... successional stages, various patterns of birth, death, and disturbance, and graded physical conditions. In fact, their definition of climax as a “state [that] is best viewed as the most probable state at any point in an area which has remained in a constant climate without major catastrophe for a lo ...
IMC 10 - SAREM
... specimens collected in Argentina. Most have not had their taxonomic status upgraded to meet the modern understanding of systematics. This means that there are many errors in mammal identifications in museum collections. This also means that the distribution of a particular species if data of unverif ...
... specimens collected in Argentina. Most have not had their taxonomic status upgraded to meet the modern understanding of systematics. This means that there are many errors in mammal identifications in museum collections. This also means that the distribution of a particular species if data of unverif ...
Ecological Focus Area choices and their potential impacts on
... Compared to the EFA productive crop options under conventional management, the noncrop EFA options examined in this study (i.e. fallow, hedges, and field margins), generally have the potential under typical management to provide much greater, more diverse and more reliable biodiversity benefits. In ...
... Compared to the EFA productive crop options under conventional management, the noncrop EFA options examined in this study (i.e. fallow, hedges, and field margins), generally have the potential under typical management to provide much greater, more diverse and more reliable biodiversity benefits. In ...
Effects of productivity, disturbance, and ecosystem size on food
... full module to start with). A key assumption of our model is thus that local extinction of the basal resource causes simultaneous local extinction of the IG-prey and/ or the IG-predator, because the IG-prey and the IGpredator cannot persist in patches without the basal resource. A patch in state B c ...
... full module to start with). A key assumption of our model is thus that local extinction of the basal resource causes simultaneous local extinction of the IG-prey and/ or the IG-predator, because the IG-prey and the IGpredator cannot persist in patches without the basal resource. A patch in state B c ...
Variation in the feeding of four species of seabird on Machias Seal
... seabird chicks was observed from 1995-2004 for all four species, but we saw no consistent trend in the amounts of niche overlap over years nor did we observe any within-season patterns in the proportion herring delivered to chicks or niche overlap between species. Seabirds rely largely on eyesight w ...
... seabird chicks was observed from 1995-2004 for all four species, but we saw no consistent trend in the amounts of niche overlap over years nor did we observe any within-season patterns in the proportion herring delivered to chicks or niche overlap between species. Seabirds rely largely on eyesight w ...
toward a metabolic theory of ecology
... scaling could be explained by models in which wholeorganism metabolic rate is limited by rates of uptake of resources across surfaces and rates of distribution of materials through branching networks. The fractallike designs of these surfaces and networks cause their properties to scale as ¼ powers ...
... scaling could be explained by models in which wholeorganism metabolic rate is limited by rates of uptake of resources across surfaces and rates of distribution of materials through branching networks. The fractallike designs of these surfaces and networks cause their properties to scale as ¼ powers ...
Conservation of Landbirds in the African
... keeping with the spirit of the Convention on Biological Diversity (1992) and Agenda 21, should be conserved for the benefit of present and future generations. Many populations of migratory landbird species that migrate over long distances between and within Africa and Eurasia are particularly vulner ...
... keeping with the spirit of the Convention on Biological Diversity (1992) and Agenda 21, should be conserved for the benefit of present and future generations. Many populations of migratory landbird species that migrate over long distances between and within Africa and Eurasia are particularly vulner ...
Are dingoes a trophic regulator in arid Australia? A comparison of
... Abstract The direct and indirect interactions that large mammalian carnivores have with other species can have far-reaching effects on ecosystems. In recent years there has been growing interest in the role that Australia’s largest terrestrial predator, the dingo, may have in structuring ecosystems. ...
... Abstract The direct and indirect interactions that large mammalian carnivores have with other species can have far-reaching effects on ecosystems. In recent years there has been growing interest in the role that Australia’s largest terrestrial predator, the dingo, may have in structuring ecosystems. ...
References - Biology Department | UNC Chapel Hill
... and R species are the ruderals typical of such habitats. They are similar to ‘r’ species of r-K theory. Ramet: A vegetatively-produced plant unit, such as a strawberry ‘plant’. Reaction: The change in local environment caused directly by a plant. ‘Ecological engineering’ is similar, but perhaps has ...
... and R species are the ruderals typical of such habitats. They are similar to ‘r’ species of r-K theory. Ramet: A vegetatively-produced plant unit, such as a strawberry ‘plant’. Reaction: The change in local environment caused directly by a plant. ‘Ecological engineering’ is similar, but perhaps has ...
Recovery, Conservation, and Survival under the Endangered
... users cringe at the prospect of the burdensome regulations and widespread litigation that often ensue with attempts to protect and recover endangered and threatened species; environmentalists consider the initial determination that a species is threatened or endangered as a failure to adequately pro ...
... users cringe at the prospect of the burdensome regulations and widespread litigation that often ensue with attempts to protect and recover endangered and threatened species; environmentalists consider the initial determination that a species is threatened or endangered as a failure to adequately pro ...
Effects of physical disturbance and habitat
... northern Europe (Jaagus 2006). Consequently, mechanical disturbances may become more frequent and severer and thus have a greater damaging effect on ecosystems than earlier. As disturbance events are unevenly distributed in space and time, a mosaic of patches is generated at different stages in a su ...
... northern Europe (Jaagus 2006). Consequently, mechanical disturbances may become more frequent and severer and thus have a greater damaging effect on ecosystems than earlier. As disturbance events are unevenly distributed in space and time, a mosaic of patches is generated at different stages in a su ...
The ecology of restoration: historical links, emerging issues and
... Seed limitation is an emerging focus of studies examining factors governing plant community structure and mechanisms of species coexistence, and a primary concern in restoration. It is not clear to what extent lack of seeds limits recruitment in natural plant populations, and its importance relative ...
... Seed limitation is an emerging focus of studies examining factors governing plant community structure and mechanisms of species coexistence, and a primary concern in restoration. It is not clear to what extent lack of seeds limits recruitment in natural plant populations, and its importance relative ...
linking fungal diversity and community dynamics to terrestrial
... et al., 1994). Some soil yeasts appear to be specialized in the decomposition of small aromatic compounds, but their role in soil organic matter decomposition remains unclear (Botha, 2011). Like saprotrophs, other important functional groups of fungi such as mycorrhiza-formers, plant- and animal pat ...
... et al., 1994). Some soil yeasts appear to be specialized in the decomposition of small aromatic compounds, but their role in soil organic matter decomposition remains unclear (Botha, 2011). Like saprotrophs, other important functional groups of fungi such as mycorrhiza-formers, plant- and animal pat ...
Impact of global change on biodiversity and biogeochemical cycles
... & Cchristiane Werner (1)..................................................................................................................... 74 Functional diversity of Central European tree species – Traits, trade-offs and ecological groups ............... 75 Christoph Leuschner ................... ...
... & Cchristiane Werner (1)..................................................................................................................... 74 Functional diversity of Central European tree species – Traits, trade-offs and ecological groups ............... 75 Christoph Leuschner ................... ...
Consumer trophic diversity as a fundamental mechanism linking
... sub-web when seeking key biotic drivers of plant production. Clearly, traditional compartmentalization of empirical food webs can limit our ability to predict the influence of food web interactions on ecosystem functioning. Key-words: above-ground, below-ground, food web complexity, nutrient cycling, ...
... sub-web when seeking key biotic drivers of plant production. Clearly, traditional compartmentalization of empirical food webs can limit our ability to predict the influence of food web interactions on ecosystem functioning. Key-words: above-ground, below-ground, food web complexity, nutrient cycling, ...
from univalle.edu.co - Portal de la Universidad del Valle
... In the past 5 years, coffee demands have remained constant, but in the same time period production has increased by nearly 7%. Much of the overproduction stems from a general intensification of coffee production over the past 30 years. Though coffee is traditionally grown as an understory crop under ...
... In the past 5 years, coffee demands have remained constant, but in the same time period production has increased by nearly 7%. Much of the overproduction stems from a general intensification of coffee production over the past 30 years. Though coffee is traditionally grown as an understory crop under ...
Mammalian Predators of the Larch Sawfly in Eastern Manitoba```
... observed feeding upon larch sawfly cocoons in observation cages. It attacks the cocoons by placing a forefoot on the cocoon and biting off the end and consuming the larval inhabitant. The voracity of the species is illustrated by the following observations. The cinereous shrew has been observed to c ...
... observed feeding upon larch sawfly cocoons in observation cages. It attacks the cocoons by placing a forefoot on the cocoon and biting off the end and consuming the larval inhabitant. The voracity of the species is illustrated by the following observations. The cinereous shrew has been observed to c ...
Does the Janzen-Connell model for species diversity apply in a sub
... Specifically I tested whether or not a) leaf herbivory decreases and b) seedling survival increases with distance from parent / conspecific adult trees. These two components were tested separately on naturally occurring seedlings and on experimentally planted seedlings. I also tested whether or not ...
... Specifically I tested whether or not a) leaf herbivory decreases and b) seedling survival increases with distance from parent / conspecific adult trees. These two components were tested separately on naturally occurring seedlings and on experimentally planted seedlings. I also tested whether or not ...
Zootaxa,Digging down under: Australian
... mens of several different species. Some specimens, we were told, were collected south of Darwin, NT, at the parking lights of a car the day after a heavy rain. Specimens will often come near a bright light, then make a burrow. Others, particularly in rainforest areas, are frequently collected in fl ...
... mens of several different species. Some specimens, we were told, were collected south of Darwin, NT, at the parking lights of a car the day after a heavy rain. Specimens will often come near a bright light, then make a burrow. Others, particularly in rainforest areas, are frequently collected in fl ...
Hibernation.
... Depicted is a sample of heterothermic species. The endangered mountain pygmy-possum (Burramys parvus, 50 g; top-left) is restricted to high mountain peaks of the Australian alps where it hibernates under snow-covered boulder fields for ~5–6 months. The possum adopts the typical ballshape of many tor ...
... Depicted is a sample of heterothermic species. The endangered mountain pygmy-possum (Burramys parvus, 50 g; top-left) is restricted to high mountain peaks of the Australian alps where it hibernates under snow-covered boulder fields for ~5–6 months. The possum adopts the typical ballshape of many tor ...