Gifford Pinchot
Explication
Gifford Pinchot is credited with proposing the idea of responsible resource management and conservation, emphasizing sustainable use of resources for future generations, which is a core principle of ecosystem protection.
Bighead carp
Explication
The bighead carp is specifically mentioned in the context as an invasive species in Tennessee that outcompetes native species for resources and feeds on their eggs, thereby threatening biodiversity.
Reducing resource consumption
Explication
Reducing resource consumption is a fundamental component of resource conservation because it directly minimizes the use of natural resources, helping to prevent depletion and support sustainable ecosystems. Increasing resource extraction and expanding resource use are contrary to conservation goals, and ignoring sustainability principles opposes the very idea of resource conservation.
Habitat destruction results in complete loss of habitat, often causing species extinction, while habitat fragmentation divides habitats into smaller patches that can still support some species.
Explication
Habitat destruction involves the complete removal or loss of habitats, leading to the potential extinction of species that depend on that habitat. In contrast, habitat fragmentation refers to breaking a large, continuous habitat into smaller, isolated patches, which can still support some species but may threaten their survival due to reduced connectivity and resources.
They often outcompete native species for resources, leading to reduced biodiversity.
Explication
Invasive species tend to outcompete native species for resources because they are often free from natural predators in their new environment, which can lead to a reduction in native biodiversity and disrupt the balance of the ecosystem.
The appearance of pioneer species such as lichens
Explication
The initial stage of ecological succession involves pioneer species like lichens colonizing bare substrates such as rocks. This process begins the development of soil and subsequent plant and animal communities, making it the earliest event in succession.
Contamination of marine environments by harmful substances from human activities
Explication
Ocean pollution primarily refers to the contamination of marine environments caused by human activities that release harmful substances, such as chemicals, plastics, and oil, into the ocean. This contamination damages ecosystems and affects marine biodiversity.
To monitor and manage the impacts of human activities on ecosystems
Explication
The primary purpose of studying ecosystem change is to monitor and manage how ecosystems are affected by natural and human activities, enabling efforts to maintain or restore their health and stability.
Implementing restoration projects that support pioneer species growth
Explication
Understanding secondary succession helps in ecosystem management by enabling targeted restoration efforts that support pioneer species, which initiate recovery after a disturbance like a natural disaster. This approach accelerates ecosystem recovery. The other options are either impractical or ignore the natural recovery process.
Mémorisez les réponses avec 18 flashcards sur Ecosystem Preservation and Biodiversity Management.
Ecosystem protection — goal?
Maintain resources and biodiversity.
Biodiversity conservation — purpose?
Preserve species and ecosystem health.
Resource conservation — strategies?
Reduce, reuse, recycle.
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