Results 81 to 90 of about 83,949 (294)

Population Studies and Carrageenan Properties in Eight Gigartinales (Rhodophyta) from Western Coast of Portugal

open access: yesThe Scientific World Journal, 2013
Eight carrageenophytes, representing seven genera and three families of Gigartinales (Florideophyceae), were studied for 15 months. The reproductive status, dry weight, and carrageenan content have been followed by a monthly random sampling. The highest
Leonel Pereira
doaj   +1 more source

Humpback whale Megaptera novaeangliae (Cetartiodactyla: Balaenopteridae) group sizes in line transect ship surveys: An evaluation of observer errors

open access: yesZoologia (Curitiba), 2016
Accurate estimates of group sizes through line transect sampling methods are important to correctly ascertain the abundance of animals that occur in groups.
Guilherme A. Bortolotto   +3 more
doaj   +1 more source

Vegetation on the move: elevational shifts and greening dynamics across the Himalayan alpine zone

open access: yesEcography, EarlyView.
This study investigates alpine ‘vegetation line' (the upper limit of continuous plant community) dynamics in the Himalayan alpine zone (HAZ) over a 24‐year timescale (1999–2022) using maximum NDVI products derived from Landsat series datasets, adjusted for sampling bias using phenological modelling.
Ruolin Leng   +5 more
wiley   +1 more source

Luminescence Dating of Beach Dunes and Fluvial Sediments, Nayarit, Mexico [PDF]

open access: yes, 2018
The Pacific coast of the state of Nayarit, Mexico, is dominated by extensive sand dune systems and lagoons. 16 samples from three transects through dunes near the town of Santa Cruz were collected to establish ages of the beach dune ridges and establish ...
Castillo, M.   +3 more
core  

Cardiac remodeling and arrhythmia in a mouse model of Depdc5 haploinsufficiency

open access: yesEpilepsia, EarlyView.
Abstract Objective Some ion channel genes linked to developmental and epileptic encephalopathy (DEE) are also linked to cardiac arrhythmia, leading to the hypothesis that predisposition to cardiac arrhythmias may contribute to the complex disease presentation of DEE and possibly to the mechanism of sudden unexpected death in epilepsy.
Roberto Ramos‐Mondragon   +9 more
wiley   +1 more source

Thermochronologic Constraints on the Extensional History of the Ibex Hills, Southeastern Black Mountains, Death Valley, California

open access: yesGeological Journal, EarlyView.
A. Modeled T‐t paths for samples in the northern Ibex Hills, showing steady cooling throughout much of the Cenozoic, until rapid Miocene cooling. B. Weighted mean paths for each sample in this study. Note that all show a rapid cooling event at or just after 10 Ma, which is interpreted to represent exhumation as a result of regional extenstion ...
Zachariah D. Fleming
wiley   +1 more source

Distribution and density of harbour popoises in Dutch North Sea waters [PDF]

open access: yes, 2009
Aerial surveys were conducted to investigate harbour porpoise density and distribution in Dutch waters. Surveys were conducted following standard line transect distance sampling methodology on tracklines providing a representative coverage of the study ...
Scheidat, M., Verdaat, J.P.
core   +1 more source

North Campus Open Space Restoration Project Annual Monitoring Report: Year 2 (2019) [PDF]

open access: yes, 2020
Born out of a vision shared by the local community, students, faculty, researchers and state and federal agencies, the North Campus Open Space (NCOS) restoration project is recreating more than 40 acres of estuarine and palustrine wetlands that ...
Cheadle Center for Biodiversity and Ecological Restoration   +2 more
core  

DISTRIBUSI HORIZONTAL MOLUSKA DI KAWASAN PADANG LAMUN PANTAI MERTA SEGARA SANUR, DENPASAR

open access: yesJurnal Biologi Udayana, 2014
A research on spatial distribution of Mollusc inhabitant seagrass bed at Merta Segara Beach Sanur, Denpasar was carried out from October to December 2012. The study site is well recognized as a place of tourist activities.
Buya Azmedia Istiqlal   +2 more
doaj  

Quantifying suitable late summer brood habitats for willow ptarmigan in Norway

open access: yesBMC Ecology, 2018
Background Habitat models provide information about which habitat management should target to avoid species extinctions or range contractions. The willow ptarmigan inhabits alpine- and arctic tundra habitats in the northern hemisphere and is listed as ...
Mikkel Andreas Jørnsøn Kvasnes   +2 more
doaj   +1 more source

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