Results 11 to 20 of about 12,815 (310)

Soil community richness and composition jointly influence the multifunctionality of soil along the forest-steppe ecotone

open access: yesEcological Indicators, 2022
Soils harbor an enormous organism which provide multiple ecosystem functions in the terrestrial ecosystem. However, the potential effects of soil biodiversity on soil multifunctionality (multiple ecosystem functions simultaneously provided by soil) have ...
Xiao-Fang Du   +7 more
doaj   +1 more source

Carbon and nitrogen contents in particle–size fractions of topsoil along a 3000 km aridity gradient in grasslands of northern China [PDF]

open access: yesBiogeosciences, 2016
Climate factors such as aridity significantly influence soil carbon (C) and nitrogen (N) stocks in terrestrial ecosystems. Further, soil texture plays an important role in driving changes of soil C and N contents at regional scale.
X.-G. Wang   +4 more
doaj   +1 more source

Dzharylhach Island (Ukraine): results of game management research in 1991–2022

open access: yesTheriologia Ukrainica, 2023
Monitoring faunal observations and surveys in the State Enterprise ‘Skadovsk Experimental Forestry and Hunting Enterprise’ have been carried out on both the mainland and island (Dzharylhach Island) parts during annual expeditions since 1991, including ...
Ihor Sheihas
doaj   +1 more source

Exogenous phosphorus compounds interact with nitrogen availability to regulate dynamics of soil inorganic phosphorus fractions in a meadow steppe [PDF]

open access: yesBiogeosciences, 2019
Here we investigated the effects of P compounds (KH2PO4 and Ca(H2PO4)2) with different addition rates of 0, 20, 40, 60, 80, and 100 kg P ha−1 yr−1 and NH4NO3 addition (0 and 100 kg N ha−1 yr−1) on ...
H. Liu   +11 more
doaj   +1 more source

Causes and trends in defoliation of Fraxinus excelsior L. in Ukraine according to forest monitoring data

open access: yesНаукові праці Лісівничої академії наук України, 2022
The aim of the research was to evaluate the main causes and trends in the defoliation of common ash (Fraxinus excelsior L.) trees in different natural zones of Ukraine according to forest monitoring data.
Tetiana Pyvovar   +2 more
doaj   +1 more source

Characteristics of limiting factors affecting the state of hunting resources of Ukraine

open access: yesTheriologia Ukrainica, 2021
The abundance of game animals that are in a state of natural freedom, as a natural resource of national importance, is the result of a number of different factors, which are divided into three main groups according to their origin and functional role ...
Igor M. Sheihas
doaj   +1 more source

Spiders (Araneae) of the Streletsky part of the Tsentralno-Chernozemny Nature reserve (Kursk region) [PDF]

open access: yesКавказский энтомологический бюллетень, 2009
191 spider species from 20 families were recorded for the Streletsky part of the TsentralnoChernozemny Nature reserve. The largest number of species was registered in the strictly protected steppe and on the ravine slopes with steppe vegetation i.e ...
N.Yu. Polchaninova
doaj   +1 more source

Snow Cover as a Factor of Growth of Annual Tree Rings under Contrasting Environmental Conditions of the West Siberian Plain

open access: yesЛëд и снег, 2023
The results of the analysis of the relationship between the width of annual tree rings of various woody plants and snow cover characteristics are presented: the dates of setting-up and destruction (loss) of stable snow cover, the duration of its ...
N. I. Bykov   +2 more
doaj   +1 more source

The first dataset of vascular plant species occurrences on kurgans in Southern Ukraine [PDF]

open access: yesBiodiversity Data Journal, 2023
The dataset contains the records of vascular plant species occurrences and distribution on Ukrainian kurgans (burial mounds, barrows), located in various zones of steppe vegetation: desert steppe, grass steppe, herb-rich grass steppe and forest steppe ...
Ivan Moysiyenko   +4 more
doaj   +3 more sources

The first data on the study of Corythucha arcuata (Say, 1832) (Heteroptera: Tingidae) in Kherson region of Ukraine

open access: yesНаукові праці Лісівничої академії наук України, 2020
Oak lace bug (OLB) Corythucha arcuata (Say, 1832) (Heteroptera: Tingidae) is native to North America. In 2000 it got to Italy and has spread for recent 20 years in many countries in Europe. In 2017 OLB first registered in Kherson region of Ukraine.
Valentyna Meshkova   +2 more
doaj   +1 more source

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