Neutral Theory – story so far
... For the majority of higher taxa, species richness is greatest at the tropics and declines monotonically with latitude (e.g. birds (Dobzhansky 1950, vascular plants Reid and Miller 1989, marine taxa Roy et al. 1998; but see Janzen 1981 for an insect exception) ...
... For the majority of higher taxa, species richness is greatest at the tropics and declines monotonically with latitude (e.g. birds (Dobzhansky 1950, vascular plants Reid and Miller 1989, marine taxa Roy et al. 1998; but see Janzen 1981 for an insect exception) ...
Abiotic Biotic
... atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, f ...
... atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction. Examples of biotic factors are animals, birds, plants, f ...
Questions for Invasion/Succession paper discussion
... Vitousek et al. (1987) Biological invasion by Myrica faya alters ecosystem development in Hawaii. Science 238: 802-805 Maron and Connors (1996) A native nitrogen-fixing shrub facilitates weed invasion. Oecologia 105:302-312 ...
... Vitousek et al. (1987) Biological invasion by Myrica faya alters ecosystem development in Hawaii. Science 238: 802-805 Maron and Connors (1996) A native nitrogen-fixing shrub facilitates weed invasion. Oecologia 105:302-312 ...
Christchurch, New Zealand`s second largest city Went overnight
... contributing to a better educational and recreational experience for people using the area. •Is one of the few options we have to exclude pests without risks to pets and children. •Provides safe breeding conditions for rare species, some of which may then forage out into the city. •Many iconic wildl ...
... contributing to a better educational and recreational experience for people using the area. •Is one of the few options we have to exclude pests without risks to pets and children. •Provides safe breeding conditions for rare species, some of which may then forage out into the city. •Many iconic wildl ...
Pii - SLU
... curiosity or the interest of specialists, but those which have been introduced in substantial numbers, or which have spread naturally in their new environments, have generated much public reaction, leaving hardly anyone untouched (Richardson and Rundel, 1998). Public attitudes towards exotic tree sp ...
... curiosity or the interest of specialists, but those which have been introduced in substantial numbers, or which have spread naturally in their new environments, have generated much public reaction, leaving hardly anyone untouched (Richardson and Rundel, 1998). Public attitudes towards exotic tree sp ...
lestes dryas - British Dragonfly Society
... General Management of Water bodies:- Because L dryas is associated with ditches that are vulnerable to drying out and are undergoing natural succession, without management many sites will eventually be eliminated. Therefore, other ponds and ditches in the vicinity should be appropriately managed, or ...
... General Management of Water bodies:- Because L dryas is associated with ditches that are vulnerable to drying out and are undergoing natural succession, without management many sites will eventually be eliminated. Therefore, other ponds and ditches in the vicinity should be appropriately managed, or ...
File
... vary with changes in the land and climate through which it flows • Mosses are common on rocks near rivers, birds, amphibians, mammals, insects and of course hundreds of species of fish live in rivers ...
... vary with changes in the land and climate through which it flows • Mosses are common on rocks near rivers, birds, amphibians, mammals, insects and of course hundreds of species of fish live in rivers ...
Ecosystems and Communities
... • Physical, nonliving, factors that shape ecosystems • EX: temperature, precipitation, wind, soil, sunlight ...
... • Physical, nonliving, factors that shape ecosystems • EX: temperature, precipitation, wind, soil, sunlight ...
The Nitrogen Cycle
... -Early stages in succession are characterized by communities with small inhabitants with short life cycles, few different species, simple food chains, and wasted energy. - The community continues to undergo an orderly series of changes until it reaches the final stage of succession. climax community ...
... -Early stages in succession are characterized by communities with small inhabitants with short life cycles, few different species, simple food chains, and wasted energy. - The community continues to undergo an orderly series of changes until it reaches the final stage of succession. climax community ...
HABITAT TYPES of the HAMILTON - TRENTON
... near the Duck Island constructed wetland, Short-nosed Sturgeon. The fish populations, in turn, support fish-eating birds such as Mergansers, Cormorants, Osprey, Egrets, and Herons. River Otter has recently reestablished in the Hamilton - Trenton Marsh and are occasionally seen along Crosswicks Creek ...
... near the Duck Island constructed wetland, Short-nosed Sturgeon. The fish populations, in turn, support fish-eating birds such as Mergansers, Cormorants, Osprey, Egrets, and Herons. River Otter has recently reestablished in the Hamilton - Trenton Marsh and are occasionally seen along Crosswicks Creek ...
Ecological Communities
... • Ecological efficiency • Trophic interactions can change the species composition of communities ...
... • Ecological efficiency • Trophic interactions can change the species composition of communities ...
Community Ecology Reading Guide
... 6. Define and give an example of resource partitioning. ________________________________________________________________________________ ________________________________________________________________________________ 7. Describe several defense mechanisms to predation in plants. __________________ ...
... 6. Define and give an example of resource partitioning. ________________________________________________________________________________ ________________________________________________________________________________ 7. Describe several defense mechanisms to predation in plants. __________________ ...
ecosystem poster
... An ecosystem is a particular area or environment with the community of plants and animals that live in it. Everything in an ecosystem, both the living organisms and the physical elements like soil and water, interacts with (affects and is affected by) everything else. ...
... An ecosystem is a particular area or environment with the community of plants and animals that live in it. Everything in an ecosystem, both the living organisms and the physical elements like soil and water, interacts with (affects and is affected by) everything else. ...
CHAPTER 1 INTRODUCTION The present study commenced
... the reliability of results, particularly if a low recapture rate is experienced. Previous investigations in the Study Area showed all forms of animal life to be depauperate and other methods of population estimation ...
... the reliability of results, particularly if a low recapture rate is experienced. Previous investigations in the Study Area showed all forms of animal life to be depauperate and other methods of population estimation ...
HABITAT LOSS AND ITS EFFECTS ON AMPHIBIANS DIVERSITY IN
... are related to habitat factors that operate at different scales. A great percentage of this variation is related to natural variations in habitat characteristics (e.g., natural variations in water conductivity as a result of a gradient determined by the saline basin). Also, local attributes of the p ...
... are related to habitat factors that operate at different scales. A great percentage of this variation is related to natural variations in habitat characteristics (e.g., natural variations in water conductivity as a result of a gradient determined by the saline basin). Also, local attributes of the p ...
Coniferous Forests - Distribution Access
... named for the dominant plant life in that area. Climate and elevation are determining factors in biomes. Each biome is made of many distinct ecosystems, which are communities of plants and animals and the nonliving environment that surrounds them. In every ecosystem there are many abiotic, or non-li ...
... named for the dominant plant life in that area. Climate and elevation are determining factors in biomes. Each biome is made of many distinct ecosystems, which are communities of plants and animals and the nonliving environment that surrounds them. In every ecosystem there are many abiotic, or non-li ...
Chapter 4. Causes for Biodiversity Loss
... as greater protection, law enforcement, and non-native eradication programs. All of these responses may be necessary, but they often respond only to part of the problem. More fundamental problems may lie outside protected areas such as pollution, settlement patterns, capital flows and other factors ...
... as greater protection, law enforcement, and non-native eradication programs. All of these responses may be necessary, but they often respond only to part of the problem. More fundamental problems may lie outside protected areas such as pollution, settlement patterns, capital flows and other factors ...
A method for quantifying habitat use by forest birds
... 9.6%, fantail 9%, grey warbler 11.9%, kaka 8.1%, pigeon 9.4%, silvereye 17.7% and tit 12.9%). There was a sufficiently large number of observations only from these latter seven species to analyse the data by season, activity, and time of day. 4.3 Potential biases The method is applicable to all fore ...
... 9.6%, fantail 9%, grey warbler 11.9%, kaka 8.1%, pigeon 9.4%, silvereye 17.7% and tit 12.9%). There was a sufficiently large number of observations only from these latter seven species to analyse the data by season, activity, and time of day. 4.3 Potential biases The method is applicable to all fore ...
Biomes and Populations
... • What is the difference between old-growth forest and other types of forest? – Old-growth has never before been logged. Species composition in logged forests can be different from prelogging conditions. – Old-growth forests are often considered nonrenewable because it takes hundreds of years to rep ...
... • What is the difference between old-growth forest and other types of forest? – Old-growth has never before been logged. Species composition in logged forests can be different from prelogging conditions. – Old-growth forests are often considered nonrenewable because it takes hundreds of years to rep ...
Geography 1001: Climate & Vegetation
... – a spatio-temporal change in structure – keeping the species composition constant (e.g. spruce fir regeneration within a spruce fir forest) ...
... – a spatio-temporal change in structure – keeping the species composition constant (e.g. spruce fir regeneration within a spruce fir forest) ...
Document
... Population change = [ births + immigrations ] - [ deaths + emigration ] ZPG = zero population growth: when number of individuals added to a population from births and immigrations equals the number of individuals lost due to deaths and emigration. Biotic Potential - capacity of a population for grow ...
... Population change = [ births + immigrations ] - [ deaths + emigration ] ZPG = zero population growth: when number of individuals added to a population from births and immigrations equals the number of individuals lost due to deaths and emigration. Biotic Potential - capacity of a population for grow ...
Population Dynamics, Carrying Capacity, and Conservation Biology
... change as a key mechanism for adapting to changes in environmental conditions. It is better to maintain existing ecosystems than to have to rebuild ecosystems that have been damaged. Conservation Biology seeks answers to the following: What is the status of natural populations and which species are ...
... change as a key mechanism for adapting to changes in environmental conditions. It is better to maintain existing ecosystems than to have to rebuild ecosystems that have been damaged. Conservation Biology seeks answers to the following: What is the status of natural populations and which species are ...
stri science symposium - Smithsonian Tropical Research Institute
... Combining social and ecological theoretical frameworks, our research objective is to understand how ecological processes related to deforestation and historical, socioeconomic, and cultural factors interact to influence human disease risk of two of the most significant neglected tropical diseases of ...
... Combining social and ecological theoretical frameworks, our research objective is to understand how ecological processes related to deforestation and historical, socioeconomic, and cultural factors interact to influence human disease risk of two of the most significant neglected tropical diseases of ...
Biological Dynamics of Forest Fragments Project
The Biological Dynamics of Forest Fragments Project, originally called the Minimum Critical Size of Ecosystems Project is a large-scale ecological experiment looking at the effects of habitat fragmentation on tropical rainforest; it is one of the most expensive biology experiments ever run. The experiment, which was established in 1979 is located near Manaus, in the Brazilian Amazon. The project is jointly managed by the Smithsonian Institution and INPA, the Brazilian Institute for Research in the Amazon.The project was initiated in 1979 by Thomas Lovejoy to investigate the SLOSS debate. Initially named the Minimum Critical Size of Ecosystems Project, the project created forest fragments of sizes 1 hectare (2 acres), 10 hectares (25 acres), and 100 hectares (247 acres). Data were collected prior to the creation of the fragments and studies of the effects of fragmentation now exceed 25 years.As of October 2010 562 publications and 143 graduate dissertations and theses had emerged from the project.