Implementation of the Endangered Species Act is crucially dependent upon what constitutes a species.
Category: biodiversity
biodiversity
Deerly Beloved
When we manipulate one component of an ecosystem, such as predators, unknown consequences show up…
Invasive Species
We pay close attention to human disease, but we let the global transport of exotic species, pests, and pathogens proceed with little notice.
The Thanksgiving Feast
Focus your dinner on invasive and exotic species
Monarchs
Recent work…has shown that butterflies have declined at a rate of about 1.6% per year during the past 40 years.
Arboreal Dimensions of Biodiversity
The shape and volume—not just area—of trees growing in a forest creates an added dimension to the ecological and evolutionary setting.
Costs of invasive species
Managing to reduce the transport and arrival of alien species will not be cheap
Hot times, summer in the city….
Earliest losses of biodiversity may be found among species in hot climates where some species are pushed beyond their physiological tolerance.
Wilderness
the communities of plants worldwide are no longer “natural.”
Cats, revisited
Many indicate they would accept policies that would require a bell on cats’ collars.