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Keyword: biodiversity

Data and R source code for "Fire severity and changing composition of forest understory plant communities"

Datasets Posted on: December 30, 2020
This data publication includes all data and R source code for "Fire severity and changing composition of forest understory plant communities" by Stevens et al. (IN PRESS). The data capture pre-fire (1996-1997) and post-fire (2003-2012) vascular understory plant community composition for 20 0.1-hectare (ha) plots in a 400-ha dry conifer forest site that burned with a range of fire severities in the 2002 Hayman Fire, Colorado, USA.

Patterns of diversity in the symbiotic mite assemblage of the mountain pine beetle

Publications Posted on: December 14, 2020
The mountain pine beetle, Dendroctonus ponderosae (Coleoptera: Scolytinae), is an economically important bark beetle species with a wide geographic range spanning from the southwestern United States into northern Canada. This beetle causes extensive tree mortality to 13 pine species. Mites (Acari) are common and abundant symbionts of mountain beetles that may influence their fitness through positive and negative interactions.

Native and non-native understory vegetation responses to restoration treatments in a dry conifer forest over 23 years

Publications Posted on: December 11, 2020
Restoration of fire-prone forests is a common practice intended to increase resilience to wildfire, drought, and bark beetles. However, the long-term effects of restoration treatments on understory species, particularly nonnative species, are poorly understood.

Fire and biodiversity in the Anthropocene

Publications Posted on: November 20, 2020
Fire has been a source of global biodiversity for millions of years. However, interactions with anthropogenic drivers such as climate change, land use, and invasive species are changing the nature of fire activity and its impacts. We review how such changes are threatening species with extinction and transforming terrestrial ecosystems.

Processes underlying restoration of temperate savanna and woodland ecosystems: Emerging themes and challenges

Publications Posted on: November 09, 2020
Open forests of savanna and woodlands span the spectrum between closed canopy forests and treeless grasslands, and therefore contain structure, composition, and function distinctive from either endpoint. In this special issue, researchers provide examples from different open forest ecosystems to examine the underlying ecological principles and specific management challenges affecting successful restoration of these systems.

Forest and rangeland soil biodiversity [Chapter 5]

Publications Posted on: September 30, 2020
Regardless of how soil is defined, soils are the most diverse of all ecosystems. It is estimated that 25-30% of all species on Earth live in soils for all or part of their lives (Decaëns et al. 2006). A single gram of soil is estimated to contain 1 × 109 microorganisms, roughly the same population size as the number of humans in Africa (Microbiology by Numbers 2011). That same gram of soil likely contains 4000 species.

Estimating retention benchmarks for salvage logging to protect biodiversity

Publications Posted on: September 29, 2020
Forests are increasingly affected by natural disturbances. Subsequent salvage logging, a widespread management practice conducted predominantly to recover economic capital, produces further disturbance and impacts biodiversity worldwide. Hence, naturally disturbed forests are among the most threatened habitats in the world, with consequences for their associated biodiversity.

The Dolichopodidae (Diptera) of Montserrat, West Indies

Publications Posted on: September 28, 2020
The long-legged flies (Dolichopodidae) of the island of Montserrat in the Lesser Antilles have been surveyed and include 63 species in 27 genera. The following eleven new species are described and illustrated: Amblypsilopus marskeae sp. nov., Medetera iviei sp. nov., Medetera montserratensis sp. nov., Systenus ladonnae sp. nov., Thrypticus mediofuscus sp. nov., Chrysotus antillensis sp. nov., Chrysotus callichromoides sp.

National soil assessment for forest and rangeland soils

Science Spotlights Posted on: September 17, 2020
A new, open-access book synthesizes current research and management information on forest and rangeland soils, offers ways to understand changing conditions and their impact on soils, and explores directions to positively affect future forest and rangeland soil health in the face of these impacts.  

An assessment of vulnerable wildlife, their habitats, and protected areas in the contiguous United States

Publications Posted on: June 22, 2020
Although they are the foundations of most efforts to conserve biodiversity, protected areas in the United States have, historically, not always been located in the most important areas to accomplish this goal.