Results 71 to 80 of about 14,523 (257)

Anthropogenic Disturbances and Invasion of Mikania micrantha Threaten Rauvolfia serpentina Populations in Nepal

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
This research article investigate the current population dynamics of a threatened medicinal plant Rauvolfia serpentina.in differentially disturbed region of tropical forest in eastern Nepal. The findings revealed the cumulative impacts of over exploitation and invasion of Mikania micrantha have negatively impacted the population dynamics of R ...
Ajay Neupane   +2 more
wiley   +1 more source

Contribution to the pteridophytic flora of India: Nokrek Biosphere Reserve, Meghalaya

open access: yesJournal of Threatened Taxa, 2012
Nokrek National Park, located approximately 40km from Tura town in West Garo Hills district of Meghalaya, India, was added to the list of Biosphere Reserves by UNESCO in May 2009. Since there is no previous report from this area, the pteridophytes of the
B. Singh   +4 more
doaj   +1 more source

Identifikasi Pteridophyta Di Piket Nol Pronojiwo Lumajang Sebagai Sumber Belajar Biologi [PDF]

open access: yes, 2015
Indonesia has abundant Pteridophyta, because Indonesia has a climate that supports the growth of Pteridophyta. Pteridophyta are found in tropical forests which have abundant sunlight and high humidity.
Jannah, M. (Miftakhul)   +2 more
core   +2 more sources

Status of forest remnants invaded by tradescantia (Tradescantia fluminensis Vell.) following introduction of biocontrol beetles and manual clearance after three years

open access: yesNew Zealand Journal of Botany, Volume 63, Issue 4, Page 548-572, December 2025.
ABSTRACT We compared biocontrol beetles and manual clearing of tradescantia in forest remnants invaded by tradescantia (Tradescantia fluminensis Vell.) on the agriculturally modified Hikurangi floodplain, northern New Zealand, to inform best practice in enhancing native biodiversity. Four forest remnant study sites were used: two on dairy farms and two
Beverley R. Clarkson   +5 more
wiley   +1 more source

The family "Thelypteridaceae" in Europe [PDF]

open access: yes, 1983
Thelypteridaceae are mainly tropical ferns, the total number of species is about one thousand. The five European species represent five different groups, each of which has recently been accorded generic status.
Holtumm, R.E.
core   +2 more sources

Revegetating Bagacay Mining Site: a Review of Potential Tropical Species for Phytoremediation of Non-essential Heavy Metals [PDF]

open access: yes, 2017
Post-mining activities in Samar left serious environmental issues. Albeit it is used to provide prosperity to its constituents, mining in the area brought with it negative impacts.
Dayang, J. R. (John)
core   +1 more source

Speciation, dispersal and the build‐up of fern diversity in the American tropics

open access: yesEcography, Volume 2025, Issue 11, November 2025.
Understanding how the remarkable biodiversity of the American tropics developed has been a long‐standing question, yet knowledge gaps remain. Previous studies examined the roles of bioregions in shaping diversity patterns but often overlooked speciation, a critical driver of species richness, and insufficiently accounted for temporal changes in ...
Laura Kragh Frederiksen   +2 more
wiley   +1 more source

Seed rain and soil seed banks limit native regeneration within urban forest restoration plantings in Hamilton City, New Zealand [PDF]

open access: yes, 2012
Restoration of native forest vegetation in urban environments may be limited due to isolation from native seed sources and to the prevalence of exotic plant species.
Clarkson, Bruce D., Overdyck, Elizabeth
core   +1 more source

Pteris orbiculata Houtt.

open access: yes, 2017
92. Pteris orbiculata Houtt., Nat. Hist. II(14): Aanwyz. Plaat.[1], 108, tab. 96, fig. 3. 1783. Lectotypus (designated here by Callmander): SOUTH AFRICA: Cape, Auge s.n. [?] (G-PREL [G00818088]!). Notes. – The single specimen representing original material is in the Cape herbarium in G-PREL. It is designated here as the lectotype.
Wijnands, Dirk Onno   +4 more
openaire   +2 more sources

Interactions of rare earth elements with living organisms and emerging biotechnical applications

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 5, Page 1251-1274, September 2025.
Rare earth elements (REEs) are critical resources required to achieve net‐zero carbon emission targets and energy security. However, rising demand for REEs coupled with significant extraction and processing challenges and geopolitical risks restricts access to REE resources.
Samantha A. McGaughey   +6 more
wiley   +1 more source

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