Results 171 to 180 of about 71,453 (399)

ЗАСТОСУВАННЯ КЛАСТЕРНОГО АНАЛІЗУ В ДОСЛІДЖЕННІ СИСТЕМИ ЗАСЕЛЕННЯ ДАВНЬОРУСЬКОГО ПОРОССЯ

open access: yesПростір в історичних дослідженнях, 2020
У роботі представлено застосування кластерного аналізу у вивченні системи заселення давньоруського Поросся з визначення внутрішньої структури регіону. Запропоновані програмні засоби дозволяють реалізувати кілька варіантів кластеризації. An application of
Артем Борисов
doaj  

Biogeography of Endemic Dragonflies of the Ozark-Ouachita Interior Highlands [PDF]

open access: yes, 2019
A common pattern across many taxonomic groups is that relatively few species are widespread while the majority are restricted in their geographic ranges. Such species distributions are used to inform conservation status, which poses unique challenges for
Boys, Wade Alexander
core   +2 more sources

QGIS cloud tutorial.pdf

open access: yes, 2016
This doc is part of our QGIS tutorial project. Contributor: Fadli Ahmad.
openaire   +2 more sources

Bringing Back the Burbot (Lota lota L.): Assessing Instream and Floodplain Habitat Availability to Support the Reintroduction of a Nationally Extinct Fish

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Species reintroductions can play a major role in addressing biodiversity declines. Fish species reintroductions are, however, complex and require the investigation of multiple factors: physical habitat, water chemistry and hydrology, among others.
Reagan H. Pearce   +6 more
wiley   +1 more source

Spatial Variability of Long‐Term Streamflow Trends in the Southeastern United States

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT We assessed long‐term discharge trends for 189 streams and rivers from the Mountain, Piedmont, Southeastern Plains, and Coast ecoregions of Georgia, South Carolina, and North Carolina, U.S.A. Trends over time of average annual discharge volumes (gages with 50+ years of data), average annual groundwater levels (gages with 30+ years of data; n = 
Kelsey A. Wilbanks   +2 more
wiley   +1 more source

Regional effectiveness of innovation – leaders and followers of the EU NUTS 0 and NUTS 2 regions [PDF]

open access: yes, 2017
Innovation constitutes an important factor for growth in all EU countries. Regions of the EU play a principle role in shaping new innovation trajectories and in bringing out the hidden potential for national growth.
Olejnik, Alicja, Żółtaszek, Agata
core  

QGIS - Visualiser un MNT (QGIS 3)

open access: yes
Cette fiche présente quelques manipulations pour améliorer le rendu visuel d'une image raster type MNT (Modèle numérique de terrain) dans QGIS.
openaire   +2 more sources

GIS-based support for the complex botanical studies at the Molnieboi Spur, Altai [PDF]

open access: yesarXiv, 2015
The Molnieboi Spur is located at the northwestern margin of the Katun Range, the high-mountain part of the Altai Mountains. Unique geological and geophysical characteristics of the Molnieboi Spur made it an attractive target for complex botanical studies including botanical, soil, geological, geochemical, geophysical, radiation, and soil gas surveys ...
arxiv  

Mapping oil palm plantations and their implications on forest and great ape habitat loss in Central Africa

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
This paper takes a retrospective look at the changes in the extent of the Congo forest and great ape habitat in the past 20 years. The data and method used in this study are novel. This produced the very first Central Africa ‐specific oil palm extent and forest change dynamics, highlighting a great ape habitat and species range decline.
Mohammed S. Ozigis   +4 more
wiley   +1 more source

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