728:
1424:
1450:
1438:
30:
343:
1056:
103:
is an area of land where all surface water converges to a single point at a lower elevation. In North
America, "watershed" is used for this sense, while elsewhere terms like "catchment" or "drainage area" are
887:
1379:
882:
89:
of a river or stream is the furthest place from its estuary or confluence with another river, and is alternatively known as a "watershed" and/or "headwaters" in some countries.
727:
912:
178:
265:
404:
184:
752:
315:
111:
is the line that separates neighboring drainage basins. In
English-speaking countries outside of North America, this is normally known as a "watershed".
374:
203:
902:
209:
917:
327:
1015:
877:
310:
1489:
300:
222:
907:
295:
274:, one of a number of government entities in the US state of Minnesota which monitor and regulate the use of water in drainage basins
1484:
542:
397:
172:
20:
1369:
305:
271:
37:
197:
1389:
1374:
497:
290:
1384:
390:
277:
692:
1474:
1000:
894:
121:
1479:
1453:
1246:
1241:
537:
166:
86:
1154:
965:
859:
587:
577:
980:
970:
672:
657:
365:
242:
232:
1399:
1326:
1126:
1101:
1076:
960:
707:
487:
1134:
1096:
427:
259:
1356:
1010:
819:
777:
547:
507:
227:
1276:
1271:
1139:
1081:
975:
824:
742:
627:
607:
517:
460:
143:
128:
1286:
1261:
1164:
1111:
1030:
697:
662:
602:
562:
532:
502:
413:
356:
1394:
1086:
990:
942:
854:
747:
687:
445:
369:
237:
1364:
1331:
1192:
1144:
1020:
995:
804:
757:
682:
527:
512:
160:
135:
108:
280:, one of twenty groups of water bodies listed in the Water Code of the Russian Federation
1228:
1182:
1177:
1149:
1116:
985:
844:
772:
762:
612:
557:
475:
470:
465:
139:
100:
1468:
1442:
1336:
1301:
1202:
1197:
1172:
702:
667:
642:
492:
455:
96:
is the meeting of two rivers or streams, and may sometimes be known as "headwaters".
1437:
1428:
1207:
1187:
1091:
829:
712:
632:
592:
582:
552:
348:
1341:
1316:
1311:
1281:
1064:
1040:
1005:
814:
717:
637:
597:
450:
1321:
1256:
1045:
1025:
809:
782:
567:
480:
338:
93:
1346:
1251:
1035:
799:
792:
767:
677:
342:
1055:
1296:
1106:
652:
647:
572:
360:
1306:
1266:
1236:
1214:
834:
622:
522:
1291:
617:
382:
131:, the line dividing the drainage basins of the major rivers of Europe
787:
940:
424:
386:
849:
839:
24:
268:, a United States law controlling drainage and water storage
249:
Watershed and drainage basin organisations and institutions
379:"River of Words"; watersheds as subject poetry competition
41:
1355:
1227:
1163:
1125:
1063:
953:
870:
735:
438:
688:Stable isotope analysis in aquatic ecosystems
398:
266:Watershed Protection and Flood Prevention Act
8:
753:Freshwater environmental quality parameters
1069:
950:
937:
435:
421:
405:
391:
383:
316:Yukon River Inter-Tribal Watershed Council
375:Stony Brook Millstone Watershed Arboretum
179:Drainage basins of the Atlantic Ocean
7:
328:University of South Carolina Upstate
1016:Oceanic physical-biological process
878:List of freshwater ecoregions (WWF)
311:Walla Walla Basin Watershed Council
262:, the management of drainage basins
185:Drainage basins of the Arctic Ocean
301:Minnehaha Creek Watershed District
223:Lake Erie Watershed (Pennsylvania)
14:
296:Great Swamp Watershed Association
1449:
1448:
1436:
1422:
1054:
726:
543:Colored dissolved organic matter
341:
175:: A worldwide list of watersheds
28:
888:Latin America and the Caribbean
204:Watersheds of the United States
173:List of drainage basins by area
21:Drainage system (geomorphology)
1370:Ecological values of mangroves
913:North Pacific Subtropical Gyre
330:: Center for Watershed Ecology
306:Santa Fe Watershed Association
272:Watershed district (Minnesota)
192:Watersheds - basins by country
155:Watersheds and drainage basins
147:
1:
210:Drainage systems of Australia
148:Great Basin hydrologic region
1390:Marine conservation activism
1375:Fisheries and climate change
291:Council for Watershed Health
1385:Human impact on marine life
1262:Davidson Seamount § Ecology
498:Aquatic population dynamics
278:Watershed district (Russia)
1506:
18:
16:Watershed terms and topics
1490:Water and the environment
1416:
1072:
1052:
1001:Marine primary production
949:
936:
895:List of marine ecoregions
724:
434:
420:
1247:Coastal biogeomorphology
1242:Marine coastal ecosystem
254:Management organisations
142:in North America (i.e.:
1485:Geography-related lists
1155:Paradox of the plankton
966:Diel vertical migration
860:Freshwater swamp forest
578:GIS and aquatic science
426:General components and
64:embraces topographical
981:Large marine ecosystem
673:Shoaling and schooling
366:Watershed Media Centre
243:Turtle Creek Watershed
233:Hudson River Watershed
80:Terms – different uses
1400:Marine protected area
1327:Salt pannes and pools
1102:Marine larval ecology
1077:Census of Marine Life
961:Deep scattering layer
918:San Francisco Estuary
883:Africa and Madagascar
708:Underwater camouflage
488:Aquatic biomonitoring
428:freshwater ecosystems
138:, the lines dividing
1135:Marine bacteriophage
1097:Marine invertebrates
260:Watershed management
198:Watersheds of Canada
42:adding missing items
1011:Ocean fertilization
820:Trophic state index
778:Lake stratification
508:Aquatic respiration
228:Guadalupe Watershed
1277:Intertidal wetland
1272:Intertidal ecology
1140:Marine prokaryotes
1082:Deep-sea community
976:Iron fertilization
899:Specific examples
825:Upland and lowland
743:Freshwater biology
608:Microbial food web
518:Aquatic toxicology
461:Aquatic adaptation
414:Aquatic ecosystems
322:Study institutions
144:Great Basin Divide
129:European Watershed
40:; you can help by
1462:
1461:
1443:Oceans portal
1412:
1411:
1408:
1407:
1287:Hydrothermal vent
1223:
1222:
1112:Seashore wildlife
943:Marine ecosystems
932:
931:
928:
927:
698:Thermal pollution
663:Ramsar Convention
603:Microbial ecology
563:Fisheries science
503:Aquatic predation
357:Watershed College
76:focused on them.
58:
57:
1497:
1475:Drainage divides
1452:
1451:
1445:
1441:
1440:
1431:
1429:Lakes portal
1427:
1426:
1425:
1395:Marine pollution
1087:Deep-water coral
1070:
1058:
991:Marine chemistry
951:
938:
855:Freshwater marsh
748:Freshwater biome
730:
446:Acoustic ecology
436:
422:
407:
400:
393:
384:
370:Bristol, England
351:
346:
345:
238:Humber Watershed
136:Drainage divides
122:Drainage divides
116:Drainage divides
53:
50:
32:
31:
25:
1505:
1504:
1500:
1499:
1498:
1496:
1495:
1494:
1480:Drainage basins
1465:
1464:
1463:
1458:
1435:
1434:
1423:
1421:
1420:
1404:
1365:Coral bleaching
1351:
1332:Seagrass meadow
1229:Marine habitats
1219:
1193:Coral reef fish
1159:
1145:Marine protists
1121:
1059:
1050:
1021:Ocean turbidity
996:Marine food web
945:
924:
866:
805:River ecosystem
758:Freshwater fish
731:
722:
528:Bioluminescence
513:Aquatic science
430:
416:
411:
347:
340:
337:
324:
287:
256:
251:
219:
194:
167:Drainage basins
157:
140:drainage basins
118:
109:drainage divide
82:
70:drainage basins
54:
48:
45:
29:
23:
17:
12:
11:
5:
1503:
1501:
1493:
1492:
1487:
1482:
1477:
1467:
1466:
1460:
1459:
1457:
1456:
1446:
1432:
1417:
1414:
1413:
1410:
1409:
1406:
1405:
1403:
1402:
1397:
1392:
1387:
1382:
1377:
1372:
1367:
1361:
1359:
1353:
1352:
1350:
1349:
1344:
1339:
1334:
1329:
1324:
1319:
1314:
1309:
1304:
1299:
1294:
1289:
1284:
1279:
1274:
1269:
1264:
1259:
1254:
1249:
1244:
1239:
1233:
1231:
1225:
1224:
1221:
1220:
1218:
1217:
1212:
1211:
1210:
1205:
1200:
1195:
1190:
1183:Saltwater fish
1180:
1178:Marine reptile
1175:
1169:
1167:
1161:
1160:
1158:
1157:
1152:
1150:Marine viruses
1147:
1142:
1137:
1131:
1129:
1127:Microorganisms
1123:
1122:
1120:
1119:
1117:Wild fisheries
1114:
1109:
1104:
1099:
1094:
1089:
1084:
1079:
1073:
1067:
1061:
1060:
1053:
1051:
1049:
1048:
1043:
1038:
1033:
1031:Thorson's rule
1028:
1023:
1018:
1013:
1008:
1003:
998:
993:
988:
986:Marine biology
983:
978:
973:
968:
963:
957:
955:
947:
946:
941:
934:
933:
930:
929:
926:
925:
923:
922:
921:
920:
915:
910:
905:
897:
892:
891:
890:
885:
874:
872:
868:
867:
865:
864:
863:
862:
857:
852:
847:
845:Brackish marsh
842:
832:
827:
822:
817:
812:
807:
802:
797:
796:
795:
785:
780:
775:
773:Lake ecosystem
770:
765:
763:Hyporheic zone
760:
755:
750:
745:
739:
737:
733:
732:
725:
723:
721:
720:
715:
710:
705:
700:
695:
690:
685:
680:
675:
670:
665:
660:
655:
650:
645:
640:
635:
630:
625:
620:
615:
613:Microbial loop
610:
605:
600:
595:
590:
585:
580:
575:
570:
565:
560:
558:Eutrophication
555:
550:
545:
540:
538:Cascade effect
535:
530:
525:
520:
515:
510:
505:
500:
495:
490:
485:
484:
483:
478:
473:
466:Aquatic animal
463:
458:
453:
448:
442:
440:
432:
431:
425:
418:
417:
412:
410:
409:
402:
395:
387:
381:
380:
377:
372:
363:
353:
352:
336:
333:
332:
331:
323:
320:
319:
318:
313:
308:
303:
298:
293:
286:
283:
282:
281:
275:
269:
263:
255:
252:
250:
247:
246:
245:
240:
235:
230:
225:
218:
215:
214:
213:
207:
201:
193:
190:
189:
188:
182:
176:
170:
164:
156:
153:
152:
151:
132:
125:
117:
114:
113:
112:
105:
101:drainage basin
97:
90:
81:
78:
56:
55:
35:
33:
15:
13:
10:
9:
6:
4:
3:
2:
1502:
1491:
1488:
1486:
1483:
1481:
1478:
1476:
1473:
1472:
1470:
1455:
1447:
1444:
1439:
1433:
1430:
1419:
1418:
1415:
1401:
1398:
1396:
1393:
1391:
1388:
1386:
1383:
1381:
1378:
1376:
1373:
1371:
1368:
1366:
1363:
1362:
1360:
1358:
1354:
1348:
1345:
1343:
1340:
1338:
1337:Sponge ground
1335:
1333:
1330:
1328:
1325:
1323:
1320:
1318:
1315:
1313:
1310:
1308:
1305:
1303:
1302:Marine biomes
1300:
1298:
1295:
1293:
1290:
1288:
1285:
1283:
1280:
1278:
1275:
1273:
1270:
1268:
1265:
1263:
1260:
1258:
1255:
1253:
1250:
1248:
1245:
1243:
1240:
1238:
1235:
1234:
1232:
1230:
1226:
1216:
1213:
1209:
1206:
1204:
1203:Demersal fish
1201:
1199:
1198:Deep-sea fish
1196:
1194:
1191:
1189:
1186:
1185:
1184:
1181:
1179:
1176:
1174:
1173:Marine mammal
1171:
1170:
1168:
1166:
1162:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1136:
1133:
1132:
1130:
1128:
1124:
1118:
1115:
1113:
1110:
1108:
1105:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1074:
1071:
1068:
1066:
1062:
1057:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1029:
1027:
1024:
1022:
1019:
1017:
1014:
1012:
1009:
1007:
1004:
1002:
999:
997:
994:
992:
989:
987:
984:
982:
979:
977:
974:
972:
969:
967:
964:
962:
959:
958:
956:
952:
948:
944:
939:
935:
919:
916:
914:
911:
909:
906:
904:
901:
900:
898:
896:
893:
889:
886:
884:
881:
880:
879:
876:
875:
873:
869:
861:
858:
856:
853:
851:
848:
846:
843:
841:
838:
837:
836:
833:
831:
828:
826:
823:
821:
818:
816:
813:
811:
808:
806:
803:
801:
798:
794:
791:
790:
789:
786:
784:
781:
779:
776:
774:
771:
769:
766:
764:
761:
759:
756:
754:
751:
749:
746:
744:
741:
740:
738:
734:
729:
719:
716:
714:
711:
709:
706:
704:
703:Trophic level
701:
699:
696:
694:
691:
689:
686:
684:
681:
679:
676:
674:
671:
669:
668:Sediment trap
666:
664:
661:
659:
656:
654:
651:
649:
646:
644:
643:Phytoplankton
641:
639:
636:
634:
631:
629:
626:
624:
621:
619:
616:
614:
611:
609:
606:
604:
601:
599:
596:
594:
591:
589:
586:
584:
581:
579:
576:
574:
571:
569:
566:
564:
561:
559:
556:
554:
551:
549:
546:
544:
541:
539:
536:
534:
531:
529:
526:
524:
521:
519:
516:
514:
511:
509:
506:
504:
501:
499:
496:
494:
493:Aquatic plant
491:
489:
486:
482:
479:
477:
474:
472:
469:
468:
467:
464:
462:
459:
457:
456:Anoxic waters
454:
452:
449:
447:
444:
443:
441:
437:
433:
429:
423:
419:
415:
408:
403:
401:
396:
394:
389:
388:
385:
378:
376:
373:
371:
367:
364:
362:
358:
355:
354:
350:
344:
339:
334:
329:
326:
325:
321:
317:
314:
312:
309:
307:
304:
302:
299:
297:
294:
292:
289:
288:
284:
279:
276:
273:
270:
267:
264:
261:
258:
257:
253:
248:
244:
241:
239:
236:
234:
231:
229:
226:
224:
221:
220:
216:
211:
208:
205:
202:
199:
196:
195:
191:
186:
183:
180:
177:
174:
171:
168:
165:
162:
159:
158:
154:
149:
145:
141:
137:
133:
130:
126:
123:
120:
119:
115:
110:
106:
102:
98:
95:
91:
88:
84:
83:
79:
77:
75:
71:
67:
63:
52:
43:
39:
36:This list is
34:
27:
26:
22:
1357:Conservation
1208:Pelagic fish
1188:Coastal fish
1092:Marine fungi
830:Water garden
713:Water column
658:Productivity
633:Pelagic zone
593:Macrobenthos
583:Hydrobiology
553:Ecohydrology
349:Water portal
73:
69:
65:
61:
59:
46:
1342:Sponge reef
1317:Rocky shore
1312:Oyster reef
1282:Kelp forest
1165:Vertebrates
1065:Marine life
1041:Viral shunt
1006:Marine snow
908:Maharashtra
815:Stream pool
718:Zooplankton
638:Photic zone
598:Meiobenthos
451:Algal bloom
49:August 2008
1469:Categories
1322:Salt marsh
1257:Coral reef
1046:Whale fall
1026:Photophore
903:Everglades
871:Ecoregions
810:Stream bed
783:Macrophyte
736:Freshwater
568:Food chain
481:Water bird
335:Other uses
94:confluence
72:and other
66:watersheds
38:incomplete
19:See also:
1347:Tide pool
1252:Cold seep
1036:Upwelling
800:Rheotaxis
793:Fish pond
768:Limnology
693:Substrate
678:Siltation
548:Dead zone
1454:Category
1380:HERMIONE
1297:Mangrove
1107:Seagrass
653:Pleuston
648:Plankton
628:Particle
573:Food web
361:Zimbabwe
285:Examples
217:Examples
212:category
206:category
200:category
187:category
181:category
169:category
163:category
124:category
1307:Mudflat
1267:Estuary
1237:Bay mud
1215:Seabird
971:f-ratio
954:General
835:Wetland
623:Neuston
588:Hypoxia
533:Biomass
523:Benthos
439:General
1292:Lagoon
618:Nekton
476:Mammal
471:Insect
161:Basins
87:source
74:topics
683:Spawn
104:used.
60:This
788:Pond
146:and
134:The
127:The
92:The
85:The
68:and
62:list
850:Fen
840:Bog
44:.
1471::
368:,
359:,
107:A
99:A
406:e
399:t
392:v
150:)
51:)
47:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.