Open Access
Chilean Journal of Agricultural Research, volume 81, issue 4, pages 630-642
Stages of grassland degradation in subalpine ecosystems of the Central Caucasus, Russia
Publication type: Journal Article
Publication date: 2021-12-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 1.7
ISSN: 07185820, 07185839
Agronomy and Crop Science
Animal Science and Zoology
Abstract
Overgrazing and grassland degradation are significant environmental problems in the mountain ecosystems of the Central Caucasus. The aim was to define the criteria for the stages of grassland degradation to provide land managers with useful guidelines on evaluating grassland status. We identified four stages of grassland degradation based on a statistical analysis of 23 vegetation and soil parameters at 126 model plots in the subalpine meadows. Main indicators of grassland degradation were grass height, coverage of forage species, coverage of grazing-resistant species, and fresh herbage yield. Grass height decreased significantly (P < 0.05) with each stage of grassland degradation from 31.4 ± 3.6 cm in untransformed grasslands to 3.3 ± 1.7 cm in severely degraded pastures. Fresh herbage yield in untransformed grasslands (120.8 ± 12.5×102 kg ha-1) was 81% higher than in highly degraded pastures. Coverage of forage species decreased in the row of grassland degradation from 72% to 34%, while coverage of grazing-resistant species increased with grazing intensity from 23% to 77%. Critical values of the integral degradation index based on these four parameters are useful for a reliable assessment of grassland status in the field.
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iScience
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iScience
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IEEE Access
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IEEE
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Chadaeva V. et al. Stages of grassland degradation in subalpine ecosystems of the Central Caucasus, Russia // Chilean Journal of Agricultural Research. 2021. Vol. 81. No. 4. pp. 630-642.
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Chadaeva V., Gorobtsova O., Pshegusov R., Tsepkova N., Tembotov R., Khanov Z., Gedgafova F., Zhashuev A., Uligova T., Khakunova E., Stepanyan E. Stages of grassland degradation in subalpine ecosystems of the Central Caucasus, Russia // Chilean Journal of Agricultural Research. 2021. Vol. 81. No. 4. pp. 630-642.
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TY - JOUR
DO - 10.4067/S0718-58392021000400630
UR - https://doi.org/10.4067%2FS0718-58392021000400630
TI - Stages of grassland degradation in subalpine ecosystems of the Central Caucasus, Russia
T2 - Chilean Journal of Agricultural Research
AU - Chadaeva, Victoria
AU - Gorobtsova, Olga
AU - Pshegusov, Rustam
AU - Tsepkova, Nelli
AU - Tembotov, Rustam
AU - Khanov, Zalim
AU - Gedgafova, Fatima
AU - Zhashuev, Albert
AU - Uligova, Tatyana
AU - Khakunova, Elena
AU - Stepanyan, Elena
PY - 2021
DA - 2021/12/01 00:00:00
PB - Institute de Investigaciones Agropecuarias
SP - 630-642
IS - 4
VL - 81
SN - 0718-5820
SN - 0718-5839
ER -
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@article{2021_Chadaeva,
author = {Victoria Chadaeva and Olga Gorobtsova and Rustam Pshegusov and Nelli Tsepkova and Rustam Tembotov and Zalim Khanov and Fatima Gedgafova and Albert Zhashuev and Tatyana Uligova and Elena Khakunova and Elena Stepanyan},
title = {Stages of grassland degradation in subalpine ecosystems of the Central Caucasus, Russia},
journal = {Chilean Journal of Agricultural Research},
year = {2021},
volume = {81},
publisher = {Institute de Investigaciones Agropecuarias},
month = {dec},
url = {https://doi.org/10.4067%2FS0718-58392021000400630},
number = {4},
pages = {630--642},
doi = {10.4067/S0718-58392021000400630}
}
Cite this
MLA
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Chadaeva, Victoria, et al. “Stages of grassland degradation in subalpine ecosystems of the Central Caucasus, Russia.” Chilean Journal of Agricultural Research, vol. 81, no. 4, Dec. 2021, pp. 630-642. https://doi.org/10.4067%2FS0718-58392021000400630.