Academic Journal
Soil Moisture Content and Nutrient Distribution Under Four Alpine Vegetation Types in Qilian Mountains
| العنوان: | Soil Moisture Content and Nutrient Distribution Under Four Alpine Vegetation Types in Qilian Mountains |
|---|---|
| المؤلفون: | An Kejian, Wei Xia, He Yan, Lu Zhiqiang |
| المصدر: | Shuitu baochi tongbao, Vol 42, Iss 3, Pp 16-22 (2022) |
| بيانات النشر: | Science Press, 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Environmental sciences LCC:General. Including nature conservation, geographical distribution |
| مصطلحات موضوعية: | qilian mountains, alpine vegetation, soil nutrients, soil moisture content, slope direction, Environmental sciences, GE1-350, General. Including nature conservation, geographical distribution, QH1-199.5 |
| الوصف: | [Objective] The distribution characteristics of soil nutrients and soil moisture content (SMC) in the Qilian Mountains were explored in order to provide references for soil and water conservation and ecological vegetation restoration in this area. [Methods] Four alpine vegetation types (alpine meadow, alpine shrub, temperate steppe, and temperate desert) were studied. The distribution characteristics of soil organic matter (SOM), total nitrogen (TN), total phosphorus (TP), and SMC at different soil depths and four slope directions under the four vegetation types were analyzed through field investigation, laboratory experiments, and mathematical statistics, and their correlations with air temperature and annual cumulative rainfall were analyzed. [Results] ① SOM in the study area was 1.85~190.31 mg/g; TN was 0.07~7.99 mg/g; TP was 0.24~1.81 mg/g; and SMC was 0.79%~3.21%. ② The differences in SOM, TN, TP, and SMC content were mainly affected by differences in vegetation types. Soil moisture content of different vegetation types followed the order of alpine meadow > alpine shrub > temperate grassland > temperate desert. TN followed the order of alpine shrub > alpine meadow > temperate grassland > temperate desert. TP contents followed the order of temperate grassland > alpine meadow > alpine shrub > temperate desert. Regarding the four slope directions, TP content was the highest on the semi-shady slope and the lowest on the sunny slope. The contents of SOM, TN, and SMC were the highest on the semi-sunny slope. ③ SOM, TN, TP, and SMC were significantly positively correlated with annual cumulative rainfall (p |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | Chinese |
| تدمد: | 1000-288X |
| Relation: | http://stbctb.alljournal.com.cn/stbctben/article/abstract/20220303; https://doaj.org/toc/1000-288X |
| DOI: | 10.13961/j.cnki.stbctb.2022.03.003 |
| URL الوصول: | https://doaj.org/article/991adeac680d4945a8d1ad398f999ae6 |
| رقم الانضمام: | edsdoj.991adeac680d4945a8d1ad398f999ae6 |
| قاعدة البيانات: | Directory of Open Access Journals |
| تدمد: | 1000288X |
|---|---|
| DOI: | 10.13961/j.cnki.stbctb.2022.03.003 |