trophic diversity is assessed by assigning taxa to trophic habits, thereby revealing the appearance of new components of ecosystem structure over time.
ideally the ultimate goal of any remediation effort will be to reduce the concentrations of contaminants at the site to those befitting a pristine ecosystem.
Quý khách đang xem: ecosystem
the first half of the book examines turnover at species
cấp độ, the second larger-scale community and ecosystem turnover.
a major aspect of ecosystem research concerns the factors that determine the rate of nutrient fluxes and turnover in the system.
we do not be claim that this exercise has established the precise value of a complex ecosystem service.
Xem nhiều hơn: Thất tình lục dục nghĩa là gì
the poor often have access to endangered ecosystems precisely because the ecosystems are not valuable commercially.
these systems include animals, crops, ecosystems, and components (subsystems) of these systems.
an ecosystem is a system controlled by the flow of energy, and substances such as water, carbon and phosphorus, exchanged among living things.
it still seems not to be viable to try to construct models going from ecosystem (or animal or plant) to molecule in one bound.
targeting ‘users’ of the ecosystem services – tourists visiting the area on a safari – is likely a more viable long-run option for the payment scheme.
a microbiological ecosystem occurs whereby crystallized salt, lying in near-saturated salt water, is laden with microbial activity.
advances in understanding community architecture in the oral ecosystem will be applicable to many mixed-species microbial communities.
to date, it has not been known what kinds of organisms comprise these complex microbial ecosystems.
this finding parallels results of previous studies in other ecosystems.
the statistical results found here support this approach for conserving the tropical natural forest ecosystem.
these examples are from corpora and from sources on the web. any opinions in the examples do not represent the opinion of the cambridge dictionary editors or of cambridge university press or its licensors.