Sentences with phrase «change in ecosystem composition»
sensitivity the degree to which a system will respond to a change in climatic conditions (e.g., the extent of change in ecosystem composition, structure and functioning, including net primary productivity, resulting from a given change in temperature or precipitation)
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Dramatic changes in species composition may establish other equilibrium energy flows which involve other species compositions than before (ecosystem shift).
«Dramatic shifts in species distributions, community composition, forest diversity and ecosystem functioning have to be expected,» Engelbrecht says, «even with relatively small changes in dry season lengths of only about one month.»
Changes in the composition of pollen contents (revealing many species and ecosystems) during the ages (geological record) may show more subtle variances in climatic conditions.
The projects aims to give us further knowledge in areas as diverse as coral reefs ecosystem, the dietary composition in wildlife and domestic animals over the last 50 000 years, the effects of antibiotic exposure on microbial ecosystems, and changes in biodiversity that might have an effect on or are affected by climate change.
When water used as a coolant is returned to the natural environment at a higher temperature, the change in temperature impacts organisms by (a) decreasing oxygen supply, and (b) affecting ecosystem composition.
Lake Turkana is a closed basin lake, and with climate change, you already have increased evaporation, which leads to alteration of the chemical composition of the lake — and alters the ecosystem, and the fish and all the animals living in it.
Changes in the composition of pollen contents (revealing many species and ecosystems) during the ages (geological record) may show more subtle variances in climatic conditions.
It is changing the composition of species in ecosystems, reducing soil fertility, depleting the ozone layer, intensifying climate change, and creating dead zones in the Gulf of Mexico and other near - coastal seas.
Persistent changes in tree mortality rates can alter forest structure, composition, and ecosystem services such as carbon sequestration.
Overall, climate change will lead to large - scale shifts in the patterns of marine productivity, biodiversity, community composition and ecosystem structure.
A significant component of this key ecosystem characteristic is dependent on relatively slow processes such as rates of recuitment, mortality, and changes in vegetation composition.
The WGI FAR codified the key physical and biogeochemical processes in the Earth system that relate a changing climate to atmospheric composition, chemistry, the carbon cycle and natural ecosystems.
These previous mass extinction events (also known as the «Big Five») are hypothesised to have been caused by combinations of key events such as unusual climate change, changes in atmospheric composition, and abnormally high stress on the ecosystem (except in the case of the Cretaceous, which was caused by an asteroid impact and subsequent effects).