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Niche models are a notable class of CRMs which are described by the system of coupled ordinary differential equations, [7] [8] = (), =, …,, = + = (), =, …,, where (, …,) is a vector abbreviation for resource abundances, is the per-capita growth rate of species , is the growth rate of species in the absence of consumption, and is the rate per unit species population that species depletes ...
Consumer–resource interactions are the core motif of ecological food chains or food webs, [1] and are an umbrella term for a variety of more specialized types of biological species interactions including prey-predator (see predation), host-parasite (see parasitism), plant-herbivore and victim-exploiter systems. These kinds of interactions ...
Amphibian Ark is an organization that was formed to implement the ex-situ conservation recommendations of this plan, and they have been working with zoos and aquaria around the world, encouraging them to create assurance colonies of threatened amphibians. [178] One such project is the Panama Amphibian Rescue and Conservation Project that built ...
Due to limited resources, not every threatened species of amphibian can be held in captivity. As a result, the AArk and its partners created a resource called the Amphibian Conservation Needs Assessment, which is used to prioritize conservation efforts for different species and determine what methods are appropriate for conserving the species. [12]
In 2017, the IUCN SSC Amphibian Specialist Group formed a Binational Conservation Strategy that brought together 30 different countries. The goal of this group is to study R. darwinii in order to improve conservation efforts. The group details the unique characteristics (mouth brooding) as one justification for this increased conservation effort.
In the context of an entire economy, resources can be allocated by various means, such as markets, or planning. In project management, resource allocation or resource management is the scheduling of activities and the resources required by those activities while taking into consideration both the resource availability and the project time. [1]
The younger toads are active as long as one month later than are older toads, which gives them more time to store energy for hibernation and reduce intraspecific competition. [8] The mating call of the Wyoming toad has a low frequency along with a slow pulse rate, but the duration is longer than that of other types of toads. [ 9 ]
Integrated resource planning (IRP, also least-cost utility planning, LCUP) is a form of least-cost planning used by the public utilities. The goal is to meet the expected long-term growth of demand with minimal cost, using a wide selection of means, from supply-side (increasing production and/or purchasing the supply) to demand-side (reducing the consumption). [1]