Results 121 to 130 of about 1,181,495 (342)

Variation morphométrique des feuilles de Aphloia theiformis le long d'un gradient altitudinal à la Réunion [PDF]

open access: yes, 2006
Morphometric variation of leaves of Aphloia theiformis along an altitudinal gradient on La Réunion Island. - The variation in length (L), width (1), shape index (L/I) and estimated area (2/3 L x l) of leaves of Aphloia theiformis (Flacourtiacées) has ...
Derroire, Géraldine   +2 more
core  

Uncovering Archaeological Treasures at Saruq al‐Hadid, UAE: Insights From Ground Penetrating Radar and Magnetic Data

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT Saruq al‐Hadid, located at the edge of the Rub Al‐Khali desert near Dubai's southern border with Abu Dhabi, is among the region's richest archaeological sites. Renowned for its historical role in metallurgy, trade and human habitation, the site was occupied from the Umm an‐Nar period through the post–Iron Age. Despite its significance, much of
Moamen Ali   +9 more
wiley   +1 more source

Oribatid mite (Acari: Oribatida) species inventory on an altitudinal gradient in the Piatra Craiului Mountains (Southern Carpathians, Romania)

open access: yesTravaux de l'Institut de Speologie Emile Racovitza, 2017
Oribatid mite species from Piatra Craiului Mountains (Southern Carpathians, Romania) were studied according to their altitudinal distribution. The mites were sampled from four sites (beech forest, fir and beech forest, nude scree and subalpine grassland)
IOANA NAE, AUGUSTIN NAE
doaj  

Bryophyte diversity patterns in flooded and tierra firme forests in the Araracuara Region, Colombian Amazonia [PDF]

open access: yes, 2004
We investigated patterns of bryophyte species richness and composition in two forest types of Colombian Amazonia, non-flooded tierra firme forest and floodplain forest of the Caquetá River.
Alvarez, Esteban   +2 more
core  

Physiological Variation in Jarillo Peach Across Altitudinal Gradients

open access: yesAgronomy
Environmental factors affect plant physiological processes. Understanding these factors can increase productivity, especially in tropical mountain ecosystems, where they vary with altitude. This study aimed to analyze the physiological variations related to water vapor and gas exchange in Prunus persica L.
Enrique Quevedo-García   +2 more
openaire   +1 more source

Hiding in Plain Sight: Rethinking the Size and Complexity of Iron Age Hillforts in NW Iberia Thanks to Aerial Archaeology and Geophysics

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT This paper tackles one key limitation in the analysis of Iron Age communities in the Northwestern Iberian Peninsula: the limited exploration of areas beyond the fortified settlements known as castros (hillforts). The vast majority of archaeological studies have focused exclusively on the areas inside the walls of these settlements, which are ...
César Parcero‐Oubiña   +7 more
wiley   +1 more source

A Multisensor Remote Sensing Approach to Archaeological Prospection: Integrating UAV and Google Earth Data in the Bayan Gol Valley, Mongolia

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT This study investigates the effectiveness of drone‐based remote sensing and Google Earth satellite imagery for archaeological prospection in the Bayan Gol Valley, Central Mongolia. Utilizing a fixed‐wing unmanned aerial vehicle (UAV) equipped with RGB and multispectral sensors, we surveyed 655 ha to document Mongol‐period settlement structures
Peter Heimermann   +4 more
wiley   +1 more source

Höhengradienten in der Biodiversitäts-Forschung: eine Übersicht unter Berücksichtigung des Klimawandels [PDF]

open access: yes, 2013
Mountains, with their isolated position and altitudinal belts, are hotspots of biodiversity. Their flora and fauna have been observed worldwide since the days of Alexander von Humboldt, which has led to basic knowledge and understanding of species ...
Blaschke, Markus   +2 more
core  

An iconic traditional apiculture of park fringe communities of Borena Sayint National Park, north eastern Ethiopia [PDF]

open access: yes, 2015
Background: Traditional apiculture has been practised in Ethiopia over a long historical period and still remains a benign means to extract direct benefits from natural ecosystems.
Adal, Hussien   +4 more
core   +2 more sources

Diversity and abundance of termites along altitudinal gradient and slopes in Mount Slamet, Central Java, Indonesia

open access: yesBiodiversitas Journal of Biological Diversity, 2018
Pratiknyo H, Ahmad I, Bambang Heru Budianto BH. 2018. Diversity and abundance of termites along altitudinal gradient and slopes in Mount Slamet, Central Java, Indonesia. Biodiversitas 19: 1649-1658. A study on diversity and abundance of termites along an
Hery Ratiknyo   +2 more
semanticscholar   +1 more source

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