Results 51 to 60 of about 23,926 (199)

Unravelling genetics at the top: mountain islands or isolated belts? [PDF]

open access: yes, 2017
Background and Aims In mountain plant populations, local adaptation has been described as one of the main responses to climate warming, allowing plants to persist under stressful conditions.
Escudero, Adrian   +4 more
core  

Climate Change in the High Andes:implications and adaptation strategies for small-scale farmers [PDF]

open access: yes, 2010
: Global climate change represents a major threat to sustainable farming in the Andes. Farmers have used local ecological knowledge and intricate production systems to cope, adapt and reorganize to meet climate uncertainty and risk, which have always ...
Dangles, O.   +7 more
core   +2 more sources

Characteristics of soils in selected maize growing sites along altitudinal gradients in East African highlands

open access: yesData in Brief, 2015
Maize is the main staple crop in the East African Mountains. Understanding how the edaphic characteristics change along altitudinal gradients is important for maximizing maize production in East African Highlands, which are the key maize production areas
Elijah Njuguna   +12 more
doaj   +1 more source

Spatial trends of Potamogetonaceae along an altitudinal gradient

open access: yesBiologia, 2020
Studying the effect of altitude on species distribution may help us to predict the response of species to future climate changes, which will likely cause upward migration of vegetation zones. In this study, we aimed to analyze distribution and abundance patterns of Potamogetonaceae along an altitudinal gradient and to determine the species ...
Nursel İkinci, Necati Bayındır
openaire   +2 more sources

Do Shapes of Altitudinal Species Richness Gradients Depend on the Vertical Range Studied? The Case of the Himalayas

open access: yesDiversity
We analyzed elevational species richness gradients (“decline”, “increase”, “unimodal”, or “bimodal”) in the Himalayan range using data from 157 publications covering both plants and animals.
Jatishwor Singh Irungbam   +2 more
doaj   +1 more source

Dynamics of humus forms and soil characteristics along a forest altitudinal gradient in Hyrcanian forest

open access: yesiForest - Biogeosciences and Forestry, 2021
Humus forms are good indicators of environmental conditions and thus important in forest ecological processes. Altitudinal gradients are considered as natural laboratory for evaluating soil ecological processes and humus form distribution.
Bayranvand M   +4 more
doaj   +1 more source

The BIOKLIM project: biodiversity research between climate change and wilding in a temperate montane forest : the conceptual framework [PDF]

open access: yes, 2010
To understand the rapid rate of change in global biodiversity, it is necessary to analyse the present condition of ecosystems and to elucidate relationships of species to their environment. The BIOKLIM Project (Biodiversity and Climate Change Project) is
Bässler, Claus   +3 more
core  

The Altitudinal Gradient Influence on the Parameters of the Mountain Grasslands

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture, 2012
The aim of the paper is to assess the influence of the altitudinal gradient on the quality and biodiversity of grasslands in the mountainous area Muntele Mic. We studied various types of grasslands found at different altitudes as 613, 1342 and 1562 m.
Ionel SAMFIRA   +4 more
openaire   +2 more sources

Ecology of bryophytes along altitudinal and latitudinal gradients in Chile [PDF]

open access: yes, 2002
The bryophyte vegetation in twenty-eight hectare plots in forests of S-Chile between 38° and 42°S and sea level and the forest line has been studied. Since bryophytes are fully dependend on atmospheric water and nutrient supply, they are good indicators ...
Frahm, Jan-Peter
core  

Vegetation Dynamics in Ecuador [PDF]

open access: yes, 2019
Global forest cover has suffered a dramatic reduction during recent decades, especially in tropical regions, which is mainly due to human activities caused by enhanced population pressures.
González-Jaramillo, Víctor Hugo
core   +1 more source

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