Results 41 to 50 of about 9,908 (228)

Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China: I. I. cangshanense, a new species from Yunnan [PDF]

open access: yesPhytoKeys, 2019
Isotrema cangshanense X.X.Zhu, H.L.Zheng & J.S.Ma, a new species from western Yunnan, China, is described and illustrated here. It is similar to I. utriforme, I. forrestianum, I. cucurbitoides and I.
Xin Xin Zhu   +4 more
doaj   +3 more sources

Global analysis suggests nitrogen deposition as an underestimated driver of vegetation greening

open access: yesEcography, EarlyView.
The local effects of atmospheric nitrogen deposition on plants are well established, yet a global empirical analysis of nitrogen deposition effects on vegetation dynamics is missing. Here, we assess how nitrogen deposition, alongside other global change drivers such as fire, and changes in temperature, precipitation and human land use, is related to ...
Jonas Trepel   +7 more
wiley   +1 more source

Threatened and Rare Ornamental Plants

open access: yesJournal of Agriculture and Rural Development in the Tropics and Subtropics, 2007
The application of IUCN criteria and Red List Categories was done for ornamental plants. Main sources of the study were Glen’s book, Cultivated Plants of Southern Africa (Glen, 2002) and the Red List of Threatened Plants, IUCN (2001).
Korous Khoshbakht, Karl Hammer
doaj  

Timber harvesting and conservation status of forest species in the Ecuadorian Amazon

open access: yesFrontiers in Forests and Global Change
This study focuses on the Ecuadorian Amazon, a crucial region for forest biodiversity and conservation of native species, which faces challenges due to timber extraction.
Rolando López-Tobar   +9 more
doaj   +1 more source

Nested Carbon Governance in Southeast Asia: Towards Just Nature‐Based Solutions?

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT Nature‐based solutions (NbS) have gained prominence as an integrated approach to addressing climate change and biodiversity loss while supporting sustainable development. Yet, their implementation across Southeast Asia remains fragmented and often contested.
Helena Varkkey   +2 more
wiley   +1 more source

STUDI KEANEKARAGAMAN SATWALIAR DI AREAL KONSERVASI PT. PERTAMINA TALISMAN JAMBI MERANG

open access: yesMedia Konservasi, 2016
Gading Gas Plant Island (Joint Operationing Body Pertamina - Talisman Jambi Merang) has degradation peat swamp ecosystem because of people activity. That degradation ecosystem can disturbed the wild animal in that place.
Harnios Arief   +2 more
doaj  

Eye Darkening Under Dehydration Stress in the Neotropical Frog Boana punctata (Schneider, 1799)

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
Dehydration induces a strong and partially reversible increase in iris pigmentation in the Neotropical frog Boana punctata. The tight relationship between iris darkening and hydration state identifies ocular pigmentation as a simple, non‐invasive physiological biomarker with broad potential for assessing hydric stress in amphibian populations ...
Ricardo Reques   +5 more
wiley   +1 more source

Threatened lichens of Lower Silesia, Poland

open access: yesActa Societatis Botanicorum Poloniae, 2011
A preliminary red list of threatened lichens of Lower Silesia (SW Poland) is presented. Species have been valuated according to the Red Data Book Categories (IUCN). The list comprises 602 taxa (ca. 60% of the whole lichen flora of Lower Silesia).
Maria Kossowska, Jerzy Fabiszewski
doaj   +1 more source

IUCN Red List evaluation of the Orchidaceae endemic to Apulia (Italy) and considerations on the application of the IUCN protocol to rare species

open access: yesNature Conservation Research: Заповедная наука, 2020
The conservation status of the ten taxonomically currently recognised orchid species and subspecies (eight in the genus Ophrys, and one each in the genera Epipactis and Serapias) endemic to Apulia (southeast Italy) is presented.
Robert Philipp Wagensommer   +3 more
doaj   +1 more source

Ringtail (Bassariscus astutus) survival in southwestern Oregon

open access: yesThe Journal of Wildlife Management, EarlyView.
We captured and monitored radio‐collared ringtails over 2 years to estimate monthly and annual survival rates. We found that annual survival rates were much higher within forested landscapes in Oregon than for populations in the southwestern United States.
Lindsay N. Somers   +2 more
wiley   +1 more source

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