Gravel and boulders mining from mountain stream beds
Mountain stream gravel is very often legally and illegally mined and gravel is removed from river beds sometimes on the very large scale which is disastrous for fluvial situation of rivers, for river ecology and river engineering works done for flood protection such as river revetments, bridges and...
Wedi'i Gadw mewn:
| Prif Awduron: | , , , , , |
|---|---|
| Fformat: | Artigo |
| Iaith: | Inglês |
| Cyhoeddwyd: |
EDP Sciences
2019-01-01
|
| Cyfres: | E3S Web of Conferences |
| Pynciau: | |
| Mynediad Ar-lein: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/32/e3sconf_ceim2019_01005.pdf |
| Tagiau: |
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
|