Results 11 to 20 of about 401,044 (285)

Endangered languages: identifying the danger(s) for Rromani

open access: yesRecherches, 2011
Almost all subvarieties of Rromani are locally endangered but as a whole it is a very vivid language. For the affirmation of Rromani as a regular European language the most crucial tasks are restoring lost or forgotten segments, enriching its ressources ...
Marcel Courthiade
doaj   +3 more sources

Genomics of the critically endangered monotypic genus Sinopora: the plastome of S. hongkongensis (Lauraceae) [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2020
Sinopora hongkongensis is a critically endangered endemic tree species restricted to Hong Kong. Here we report its plastome sequence. The S. hongkongensis plastome was 158,612 bp in length, with a large single-copy (LSC) region of 89,405 bp and a small ...
Angelo Damian Armijos Carrion   +2 more
doaj   +5 more sources

Tissue preservation and cell culture of Przewalskii´s horse (Equus przewalskii): an endangered species

open access: yesBioscience Journal, 2011
The Przewalskii´s horse or Mongolian wild horse (Equus przewalskii, Poljakov, 1881) is presently the only species of wild horse in existence. Originally from Asia, it is, classified as in extremely high risk of extinction which puts the species in the ...
Rodrigo Puentes   +8 more
doaj   +1 more source

ESUSA: US endangered species distribution file [PDF]

open access: yes, 1978
A file containing distribution data on federally listed or proposed endangered species of the United States is described. Included are (a) the common name, (b) the scientific name, (c) the taxonomic family, (d) the OES/FWS/USDI group (mammal, bird, etc.), (e) the status, (f) the geographic distribution by counties, and (g) Federal Register references ...
Nagy, J., Calef, C.E.
openaire   +4 more sources

The complete chloroplast genome sequence of Camellia rostrata S. X. Yang & S. F. Chai (Theaceae), a critically endangered yellow camellia from southwest China [PDF]

open access: yesMitochondrial DNA Part B, 2021
Camellia rostrata S. X. Yang & S. F. Chai is a recently described yellow camellia species from Guangxi, China. It is a critically endangered species according to the IUCN Red List Categories and Criteria. Here, we report the complete chloroplast (cp) genome based on next-generation sequencing technology. The complete cp genome of C. rostrata is 156,547 
Zhao-Yuan Zhang   +4 more
openaire   +3 more sources

Spintherobolus papilliferus in the rio Ribeira de Iguape basin: implications for the biogeography and conservation of an endangered species (Ostariophysi: Characiformes) [PDF]

open access: yesNeotropical Ichthyology, 2023
Spintherobolus papilliferus is an endangered characid endemic of the Atlantic Rainforest, known from sparse locations in the upper rio Tietê basin around the metropolitan area of São Paulo city, and from an affluent of rio Itapanhaú, a coastal stream in ...
George M. T. Mattox   +5 more
doaj   +1 more source

Biosurfactant producing multifarious Streptomyces puniceus RHPR9 of Coscinium fenestratum rhizosphere promotes plant growth in chilli

open access: yesPLoS ONE, 2022
The present study involves isolation of Streptomyces spp. from rhizosphere of Coscinium fenestratum Gaertn, an endangered medicinal plant from Western Ghats of Karnataka, India.
Polapally Ravinder   +10 more
doaj   +2 more sources

Three new caespitose species of Senecio (Asteraceae, Senecioneae) from South Peru

open access: yesPhytoKeys, 2014
Three new species of the genus Senecio (Asteraceae, Senecioneae) belonging to S. ser. Suffruticosi subser. Caespitosi were discovered in the tributaries of the upper Tambo River, Moquegua Department, South Peru.
Daniel Montesinos Tubée
doaj   +1 more source

Multi-Class Parrot Image Classification Including Subspecies with Similar Appearance

open access: yesBiology, 2021
Owing to climate change and human indiscriminate development, the population of endangered species has been decreasing. To protect endangered species, many countries worldwide have adopted the CITES treaty to prevent the extinction of endangered plants ...
Woohyuk Jang, Eui Chul Lee
doaj   +1 more source

A Stage-Structured, Spatially Explicit Migration Model for Myotis Bats: Mortality location affects system dynamics

open access: yesLetters in Biomathematics, 2014
Bats are ecologically and economically important species because they consume insects, transport nutrients, and pollinate flowers. Many species of bats, including those in the Myotis genus, are facing population decline and increased extinction risk ...
Richard A. Erickson   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy