Results 111 to 120 of about 78,408 (357)

Protected and productive: How greenhouses should deliver UK food security

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The United Kingdom produces less than 20% of its fruit and ~50% of its vegetables, leaving it highly import dependent and vulnerable to supply chain disruptions. Our study maps 2085 ha of existing greenhouses, over 70% more than 40 years old, and identifies where modern infrastructure could expand production.
Sven Batke   +3 more
wiley   +1 more source

A comprehensive checklist of Mediterranean wild edible plants: Diversity, traditional uses, and knowledge gaps

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The use of wild edible plants and the traditional knowledge associated with them are rapidly disappearing across the Mediterranean, with serious consequences for biodiversity, cultural heritage, and regional food security. This study compiles and organizes fragmented information to create the first comprehensive catalogue of these plants across the ...
Benedetta Gori   +5 more
wiley   +1 more source

Using "Free Software" to calculate the fractal dimension of hydrographic basins

open access: yesЮг России: экология, развитие
Recently, when studying river basins, the QGIS system has been widely used to obtain various hydrological factors from a Digital Elevation Model (DEM).
S. L. Molchatsky
doaj   +1 more source

QGIS - Vectorisation de données (QGIS 3.34)

open access: yes
Cette fiche présente les fonctions disponibles dans QGIS pour la vectorisation de couches vecteur.
openaire   +2 more sources

Balancing tracks and trees: Assessing railroad impact on Brazilian biodiversity

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
The Brazilian West–East Integration Railway (FIOL) aims to boost the national economy by improving commodity transport; however, it crosses three of Brazil's most biodiverse and fragile regions: the Caatinga, Cerrado and Atlantic Forest. Using digitised plant records and land‐use analyses, our study reveals significant vegetation loss within the ...
Ana Luiza Silva Rocha   +3 more
wiley   +1 more source

Lateral meander migration of a medium-sized lowland river: Case study on the Rába river, Hungary [PDF]

open access: yesGeographica Pannonica
Engineering works greatly influence the lateral channel migration (LCM) of meandering rivers. We aimed to characterise the spatiotemporal characteristics of LCM during the last 174 years of the almost freely meandering Upper Rába (Hungary) and to ...
Pusztai-Eredics Alexandra   +4 more
doaj   +1 more source

20 Jahre QGIS

open access: yes, 2023
QGIS feierte seinen 20 Geburtstag letztes Jahr [2022]. In diesem Beitrag wird auf die wichtigsten Features und Events dieser Jahre eingegangen, welche QGIS mit seiner Community zu einem der 10 wichtigsten C++ Opensource Projekte machte.
openaire   +2 more sources

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