Results 11 to 20 of about 1,273,053 (263)

Characteristics of Dry-Mesic Old-Growth Oak Forests in the Eastern United States

open access: yesEarth, 2022
Dry-mesic old-growth oak forests are widely distributed remnants across the eastern U.S. and are expected to increase in number and extent as second-growth forests mature.
Martin A. Spetich   +4 more
doaj   +1 more source

Identifying Old-Growth Forests in Complex Landscapes: A New LiDAR-Based Estimation Framework and Conservation Implications

open access: yesRemote Sensing, 2023
Old-growth forests provide many ecosystem services and benefits. However, they are becoming increasingly rare and thus are an urgent priority for conservation. Accurately mapping old-growth forests is a critical step in this process. Here, we used LiDAR,
Raphaël Trouvé   +4 more
doaj   +1 more source

Not the same old(‐growth) forests [PDF]

open access: yesNew Phytologist, 2019
This article is a Commentary on Both et al., 221: 1853–1865.
Marcos Longo, Michael Keller
openaire   +4 more sources

Historical Paths and the Growth of Baghdad Old Center

open access: yesJournal of Engineering, 2023
Urban growth of cities is connected with three related problems, the first one, is the deterioration of the center, which is a mark for historical origin. The second is the emergence of city edge, which contradicts by the center.
Sana Sati Abbas   +1 more
doaj   +1 more source

Gray-cheeked Thrush (Catharus minimus minimus) distribution and habitat use in a montane forest landscape of western Newfoundland, Canada

open access: yesAvian Conservation and Ecology, 2015
Once abundant, the Newfoundland Gray-cheeked Thrush (Catharus minimus minimus) has declined by as much as 95% since 1975. Underlying cause(s) of this population collapse are not known, although hypotheses include loss of winter habitat and the ...
Darroch M. Whitaker   +2 more
doaj   +1 more source

Evaluarea biodiversității în arborete de amestec din nordul Carpaților Orientali: un studiu de caz bazat pe indicele biodiversității potențiale [ Biodiversity assessment on mixed forest stands in north of Eastern Carpathians: a study case based on Potential Biodiversity Index] [PDF]

open access: yesBucovina Forestieră, 2017
In this article we present an application of the IBP index (Potential Biodiversity Index), used for assessing potential biodiversity in forest stands.
Burlui M.C., Cenușă R.L.
doaj   +1 more source

Old-growth and secondary Araucaria Forest characterization

open access: yesTrees, Forests and People, 2022
The Araucaria Forest is one of the most threatened ecosystems in Brazil due to selective logging and deforestation, mainly during the 20th century. The great majority of remnants are secondary forests with less than 50 ha, i.e., old-growth fragments are ...
Douglas Rufino Vaz   +4 more
doaj   +1 more source

Old forest policy and regulatory frameworks in Nova Scotia and New Brunswick with a comparison to British Columbia

open access: yesThe Forestry Chronicle, 2018
Old growth forests (OGF) represent ecological continuity and are rich in biodiversity. These unique landscapes are becoming increasingly rare in Canada, especially within the Acadian Forest Region that covers the Maritime Provinces.
Amy Berry, Amanda Lavers, Lisa Mitchell
doaj   +1 more source

Using the old-growth concept to identify old species-rich semi-natural grasslands

open access: yesEcological Indicators, 2023
The concept of ‘old growth’, originally developed for forests, was recently extended to grassland to distinguish old natural grasslands (NG) from semi-natural grassland (SNG).
André Pornon, Christophe Andalo
doaj   +1 more source

The role of reductions in old-age mortality in old-age population growth

open access: yesDemographic Research, 2021
Background: The variable-r model provides demographers with a way to explore the contributions of demographic components (fertility, mortality, migration) to changes in populations' age structures.
Vladimir Canudas-Romo   +2 more
doaj   +1 more source

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