Results 61 to 70 of about 12,104 (237)

Keanekaragaman Jenis Tumbuhan Di Cagar Alam Kakenauwe Dan Suaka Margasatwa Lambusango, Pulau Buton Sulawesi Tenggara [PDF]

open access: yes, 2007
Study on richness diversity plants in Kakenauwe Nature Reserve and Lambusango Game Reserve had been conducted. One hundred and seventy species of Spermatophyta, 12 species of Pteridophyta and 24 species of Bryophyta are collected from this area.
Uji, T. (Tahan)
core  

Selection of den sites and chronology of denning by black bears in the eastern Sierra Nevada and western Great Basin

open access: yesEcology and Evolution, Volume 14, Issue 7, July 2024.
Selection of appropriate den sites for hibernation is an important strategy for American black bears (Ursus americanus) for both energy conservation and reproduction, because parturition occurs while females are occupying their dens. Our objectives were to identify which physical characteristics of the habitat influenced selection of den sites and what
Morgan E. Long   +5 more
wiley   +1 more source

How many species of algae are there? A reprise. Four kingdoms, 14 phyla, 63 classes and still growing

open access: yesJournal of Phycology, Volume 60, Issue 2, Page 214-228, April 2024.
Abstract To date (1 November 2023), the online database AlgaeBase has documented 50,589 species of living algae and 10,556 fossil species here referred to four kingdoms (Eubacteria, Chromista, Plantae, and Protozoa), 14 phyla, and 63 classes. The algae are the third most speciose grouping of plant‐like organisms after the flowering plants (≈382,000 ...
Michael D. Guiry
wiley   +1 more source

The Effects of Grass Carp on Aquatic Plants, Plankton and Benthos in Ponds [PDF]

open access: yes, 2004
The effects of the grass carp (Ctenopharyngodon idella Val.)on aquatic plant biomass, water quality, phytoplankton, chlorophyll a, zooplankton and benthic fauna were investigated between May and September 2000 in earthen ponds at Cifteler- Sakaryabasi
Demir, N., Kirkagac, Mine
core  

Understanding the salt overly sensitive pathway in Prunus: Identification and characterization of NHX, CIPK, and CBL genes

open access: yesThe Plant Genome, Volume 17, Issue 1, March 2024.
Abstract Salinity is a major abiotic stress factor that can significantly impact crop growth, and productivity. In response to salt stress, the plant Salt Overly Sensitive (SOS) signaling pathway regulates the homeostasis of intracellular sodium ion concentration.
Biswa R. Acharya   +4 more
wiley   +1 more source

The correct name for Pyrrosia hastate Ching (Polypodiaceae, Pteridophyta)

open access: yesReinwardtia, 2003
VELDKAMP, J.F. 2004. The correct name for Pyrrosia hastate Ching (Polypodiaceae, Pteridophyta). Reinwardtia 12 (2): 191 -193. Pyrrosia hastata Ching (Polypodiaceae, Pteridophyta) is based on Acrostichum hastatum Thunb. (1784) non Houtt. (1783).
Jan Frits Veldkamp
doaj  

PTERIDOPHYTA

open access: yesBothalia: African Biodiversity & Conservation, 2000
A NEW COMBINATION AND NEW RECORDS FOR THE FLORA OF ...
J. P. Roux
doaj   +1 more source

Inventarisasi jenis tumbuhan paku-pakuan ( pteridophyta) di area bekas tambang batu bara di Desa Luwe Hulu Kecamatan Lahei Barat Barito Utara [PDF]

open access: yes, 2015
ABSTRAK Tumbuhan paku merupakan tumbuhan yang telah jelas mempunyai kormus, artinya tubuhnya dengan nyata dapat dibedakan dalam tiga bagian pokoknya yaitu akar, batang dan daun.

core  

Mediterranean springs: Keystone ecosystems and biodiversity refugia threatened by global change

open access: yesGlobal Change Biology, Volume 30, Issue 1, January 2024.
Mediterranean spring ecosystems are unique habitats supporting a remarkable array of biodiversity and providing important ecological functions and ecosystem services. However, global change poses important threats to these freshwater ecosystems, such as changes in climate patterns and increasing human pressures like overexploitation and pollution.
M. Fernández‐Martínez   +16 more
wiley   +1 more source

Morfogénesis de la fase sexual de seis especies mexicanas de helechos del género Dryopteris (Dryopteridaceae)

open access: yesRevista de Biología Tropical, 1999
Se describe y se compara la morfogénesis de la fase sexual de seis especies de Dryopteris. Las esporas son monoletes, elipsoidales con perina de color pardo a pardo obscuro, su superficie es rugosa de contornos tuberculados y la perina en forma de ...
Blanca Pérez-García   +3 more
doaj  

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