Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2478/johh-2021-0028 |
| The role of biocrust-induced exopolymeric matrix in runoff generation in arid and semiarid zones - a mini review | |
Kidron, Giora J.
| |
| 通讯作者 | Kidron, GJ (corresponding author), Hebrew Univ Jerusalem, Inst Earth Sci, Givat Ram Campus, IL-91904 Jerusalem, Israel. |
| 来源期刊 | JOURNAL OF HYDROLOGY AND HYDROMECHANICS
 |
| EISSN | 1338-4333 |
| 出版年 | 2021 |
| 卷号 | 69期号:4页码:360-368 |
| 英文摘要 | Although playing an important role in shaping the environment, the mechanisms responsible for runoff initiation and yield in arid and semiarid regions are not yet fully explored. With infiltration-excess overland flow, known also as Hortonian overland flow (HOF) taking place in these areas, the uppermost surface 'skin' plays a cardinal role in runoff initiation and yield. Over large areas, this skin is composed of biocrusts, a variety of autotrophs (principally cyanobacteria, green algae, lichens, mosses) accompanied by heterotrophs (such as fungi, bacteria, archaea), which may largely dictate the infiltration capability of the surface. With most biocrust organisms being capable of excreting extracellular polymeric substances (EPS or exopolymers), and growing evidence pointing to the capability of certain EPS to partially seal the surface, EPS may play a cardinal role in hindering infiltration and triggering HOF. Yet, despite this logic thread, great controversy still exists regarding the main mechanisms responsible for runoff generation (runoff initiation and yield). Elucidation of the possible role played by EPS in runoff generation is the focus of the current review. |
| 英文关键词 | Biological soil crusts Extracellular polymeric substances Pore clogging Hydrophobicity Infiltration-excess overland flow Water repellency |
| 类型 | Review |
| 语种 | 英语 |
| 开放获取类型 | gold |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000719814700002 |
| WOS关键词 | BIOLOGICAL SOIL CRUSTS ; SCANNING-ELECTRON-MICROSCOPE ; MOSS-DOMINATED BIOCRUSTS ; WESTERN NEGEV DESERT ; WATER REPELLENCY ; SAND DUNES ; CYANOBACTERIAL EXOPOLYSACCHARIDES ; SURFACE SOIL ; POLYSACCHARIDIC MATRIX ; MICROBIOTIC CRUSTS |
| WOS类目 | Water Resources |
| WOS研究方向 | Water Resources |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/374027 |
| 作者单位 | [Kidron, Giora J.] Hebrew Univ Jerusalem, Inst Earth Sci, Givat Ram Campus, IL-91904 Jerusalem, Israel |
| 推荐引用方式 GB/T 7714 | Kidron, Giora J.. The role of biocrust-induced exopolymeric matrix in runoff generation in arid and semiarid zones - a mini review[J],2021,69(4):360-368. |
| APA | Kidron, Giora J..(2021).The role of biocrust-induced exopolymeric matrix in runoff generation in arid and semiarid zones - a mini review.JOURNAL OF HYDROLOGY AND HYDROMECHANICS,69(4),360-368. |
| MLA | Kidron, Giora J.."The role of biocrust-induced exopolymeric matrix in runoff generation in arid and semiarid zones - a mini review".JOURNAL OF HYDROLOGY AND HYDROMECHANICS 69.4(2021):360-368. |
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