Results 61 to 70 of about 12,389 (257)

Breeding records of 325 bird species from Peru over 21 years based on citizen science data

open access: yesEcological Research, Volume 39, Issue 5, Page 789-799, September 2024.
In this data paper, we report 1180 breeding records corresponding to 325 bird species for the period 2000–2021, through an in‐depth review of photo or video records from Peru, sourced from Macaulay Library and iNaturalist platforms. We determined the geographical distribution of the breeding records, described patterns of activity and nesting behavior (
Alexis Díaz   +6 more
wiley   +1 more source

Feasibility Of Student\u27s Worksheet Oriented Guided Discovery On Pteridophyta At Tenth Grade Of High School [PDF]

open access: yes, 2013
The purpose of this study is to produce of students worksheet oriented guided discovery on Pteridophyta which is feasible theoritically and empirically by validation and student’s responses.
FERDIYANTI, S. D. (SEPTYANA)
core  

Revisión de los grupos de especies del género Blechnum (Blechnaceae-Pteridophyta): el grupo B. Penna-marina [PDF]

open access: yes, 2006
Revisión de los grupos de especies del género Blechnum (Blechnaceae-Pteridophyta): el grupo B. penna-marina. Blechnum asperum, B. penna-marina, B. spicant y B. stoloniferum (grupo B. penna-marina) se estudian aquí conjuntamente con'B.
Prada Moral, Carmen   +1 more
core   +3 more sources

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

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

Inventarisasi tumbuhan paku (pteridophyta) di kawasan perkebunan sawit desa trinsing Kecamatan Teweh Selatan Kabupaten Barito Utara [PDF]

open access: yes, 2015
ABSTRAK Penelitian ini bertujuan untuk (a) mengetahui jenis tumbuhan paku-pakuan yang terdapat di Kawasan Perkebunan Sawit Desa Trinsing Kecamatan Teweh Selatan Kabupaten Barito Utara (b) Menghitung Indeks Dominan Jenis (C) tumbuhan paku-pakuan di ...
Panjaitan, Uswatun Hasanah
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

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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