Results 11 to 20 of about 404,054 (305)

Comparative analysis of gut microbiota diversity in endangered, economical, and common freshwater mussels using 16S rRNA gene sequencing

open access: yesEcology and Evolution, 2020
Freshwater mussels are both among the most diverse and endangered faunas worldwide. The gut microbiota of species plays a key role in nutrition and immunity, such as preventing it from pathogen invasion, synthesizing beneficial secondary metabolites, and
Xiongjun Liu   +3 more
doaj   +1 more source

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

Updating records of Squatina aculeata (Elasmobranchii: Squatiniformes: Squatinidae) in the Mediterranean Sea [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2020
Background. The decline of the populations of the three Critically Endangered species Squatina aculeata Cuvier, 1829, Squatina oculata Bonaparte, 1840, and Squatina squatina (Linnaeus, 1758) in the Mediterranean basin is mainly attributed to ...
B. Zava   +3 more
doaj   +3 more sources

Sedum ichangensis, a new species of Crassulaceae from Hubei, China [PDF]

open access: yesPhytoKeys, 2019
Sedum ichangensis sp. nov., from Yichang, Hubei province, central China, is described and illustrated. The new species is similar to S. elatinoides and S.
Yu-Bing Wang, Xing-Jun Xiong
doaj   +3 more sources

Two new localities of the endangered fish Systomus martenstyni (Kottelat & Pethiyagoda, 1991) (Teleostei: Cyprinidae) found in Sri Lanka [PDF]

open access: yesCheck List, 2015
Systomus martenstyni is an endemic and endangered fish of Sri Lanka. This species was earlier known to be restricted to the Amban Ganga River basin. Recently two populations of S.
Shalini Rajakaruna   +4 more
doaj   +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

Endemic harvestmen and spiders of Austria (Arachnida: Opiliones, Araneae) [PDF]

open access: yes, 2011
A comprehensive overview of plant, fungus and animal species of Austria revealed a total of 748 endemic and subendemic species, including, 11 harvestman and 46 spider species.
Komposch, Christian
core   +2 more sources

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

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