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On the methodology of monitoring of the local waterlogging in the steppe zone agroecosystemsстатья
- Авторы: Novikova N.M., Volkova N.A., Nazarenko O.G.
- Журнал: Экосистемы: экология и динамика
- Том: 6
- Номер: 3
- Год издания: 2022
- Издательство: Институт водных проблем РАН
- Местоположение издательства: Москва
- Первая страница: 68
- Последняя страница: 86
- Номер статьи: 4
- Аннотация: The local waterlogging in the south steppes of the European part of Russia is caused by the natural(climate fluctuation) and anthropogenic (total plowing) factors. The sizes of the transformed plots(“mochar”, i.e. pools) are unstable and relatively small (up to tens of thousands of square meters), buttheir total area in the field crops can be up to 15%, which causes undesirable changes inagroecosystems, such as crop loss and weeds distribution. A long-term study of mochar and the dataon the reliability of a close relations between periods of exceeding values of the average annualprecipitation, increasing area and intensity the nidus of local waterlogging, and distribution of hydrohalophilic plants (Phragmites australis, Elytrigia repens, Tripolium aster) according to the salinitylevel and soil moisture reserves, allowed us to develop a system of indicators and criteria for themethodology on the monitoring of the development of this phenomenon in a specific territory.We suggest an algorithm, which includes identification of the areas, subject to local waterlogging, andstudy and evaluation of the natural complexes transformation within each area. The impact assessmentis based on a system of biological and ecological criteria that indicate the hydrogenic transformationof the environment and the biota of agroecosystems such as groundwater, soil and vegetation.Combined, they make it possible to assess the degree and depth of the changes, to giverecommendations for reducing or even ceasing the negative waterlogging processes, while forecastingthe climatic trends. The novelty of this study is the aforementioned system of indicators and criteria,and the algorithm of monitoring based on our methodology.Keywords: nidus of local waterlogging, indicators, plant species, soil subtypes, criteria, salinization,moisture reserves, water regime, hydro-halophilic vegetation, Rostov Region.DOI: 10.24412/2542-2006-2022-3-68-86EDN: HSZJZB
- Добавил в систему: Новикова Нина Максимовна
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | 4-Novikova-articel-ENG.pdf | 1,3 МБ | 8 ноября 2022 [NovikjvaNM1967] |