Results 71 to 80 of about 192,735 (308)

Two new endemic species of Portulaca (Portulacaceae) from the Brazilian Pampa grasslands

open access: yesNordic Journal of Botany, EarlyView.
Portulaca L. is a monophyletic, cosmopolitan genus of succulent plants comprising ca 153 species, with particularly high diversity in xerophytic ecosystems in tropical and subtropical regions. Based on morphological evidence, we describe and illustrate two new species from the Brazilian Pampa, Portulaca guaritensis and Portulaca guenoa.
José Roberto Ferraz   +3 more
wiley   +1 more source

Downlisting and recovery of species assessed by the IUCN

open access: yesConservation Biology
Abstract Despite the increasing number of species assessed for extinction risk by the International Union for Conservation of Nature (IUCN) (163,040 species as of 2024), only about 1 in 1,000 have been downlisted due to genuine population improvement.
Mu‐Ming Lin   +7 more
openaire   +5 more sources

Treasures of the Serra da Jiboia (Bahia, Brazil): a new species of Racinaea and an overview of the local Bromeliaceae flora

open access: yesNordic Journal of Botany, EarlyView.
Serra da Jiboia, located in the south‐central region of Bahia, represents an important ecotone between the Atlantic Forest and the Caatinga and harbors high floristic diversity and numerous endemic species. The Bromeliaceae family, well represented in the region, stands out for its ecological importance and adaptability to various microenvironments ...
Everton Hilo de Souza   +5 more
wiley   +1 more source

Barbacenia pendula sp. nov.(Velloziaceae) from the northern Espinhaço Range of Minas Gerais, Brazil

open access: yesNordic Journal of Botany, EarlyView.
Although botanical exploration in the Espinhaço Range has increased in recent years, several areas remain poorly sampled, particularly in northern Minas Gerais. Recently, this area has been receiving scientific expeditions, leading to the description of several new plant species.
Danilo Alvarenga Zavatin   +4 more
wiley   +1 more source

Important Shark and Ray Areas: a new tool to optimize spatial planning for sharks

open access: yesOryx, 2023
Peter M. Kyne   +8 more
doaj   +1 more source

Applying threat analysis approach in a small forest urban park (Northern Italy): local expert-based assessment to prioritize the management actions

open access: yesFolia Oecologica
To overcome the human-induced threats impacting on ecosystems, managers should focus on priorities. Here, we applied the expert-based Threat Analysis (TAN) in a forest urban park (Northern Italy), involving experts which ranked local threats, from the ...
Giovacchini Pietro   +9 more
doaj   +1 more source

Aiouea riedeliana comb. nov. (Lauraceae) from Brazil, with an amended description and provisional extinction threat assessment

open access: yesNordic Journal of Botany, EarlyView.
Aiouea riedeliana (Kosterm.) P.L.R.Moraes and Brotto is the new combination for Cinnamomum riedelianum Kosterm., whose type‐bringing synonym is Persea riedelii Meisn. The placement of this taxon in Aiouea is presented, justified, and illustrated here, disagreeing with its previous classification in Ocotea, as Ocotea riedeliana (Kosterm.) Kottaim., then
Pedro Luís Rodrigues de Moraes   +2 more
wiley   +1 more source

Species conservation profiles of a random sample of world spiders III: Oecobiidae to Salticidae

open access: yesBiodiversity Data Journal, 2018
Sini Seppälä   +10 more
doaj   +3 more sources

Forecasting the impact of food‐provisioning and other stressors on a marine top‐predator population

open access: yesOikos, EarlyView.
Wildlife tourism can alter animal behavior, affect vital rates and diminish population viability but its impact in the context of other human‐ and environmental disturbances, remain largely unstudied. Using simulation models and leveraging a robust long‐term dataset spanning eight years, we evaluated the contribution of wildlife feeding, in the context
Valeria Senigaglia   +4 more
wiley   +1 more source

A new distribution area of the Ophrys isaura Renz & Taubenheim in Türkiye and some ecologic characteristics

open access: yesTurkish Journal of Forestry
Ophrys isaura Renz & Taubenheim., is one of the rarest endemic species in Türkiye and belongs to the Orchidaceae family. According to a literature survey, the species at risk of extinction in nature is distributed in the C3 and C4 squares of the ...
Serkan Gülsoy   +2 more
doaj   +1 more source

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