29:
51:
227:(Koppen classification Dwb). This climate is characterized by high variation in temperature, both daily and seasonally; with long, cold winters and short, cool summers with no averaging over 22 °C (72 °F). Mean precipitation is about 604 mm/year. The mean temperature at the center of the ecoregion is −24.9 °C (−12.8 °F) in January, and 20.3 °C (68.5 °F) in July.
175:. The terrain is one of flat floodplains on alluvial soil. Due to high water table and frequent flooding, the area has remained relatively forest-free, and is today characterized by extensive wetlands of bogs and grasslands. The area remained ice-free during the
28:
187:
The northern section stretches about 300 km in a northwest-to-southeast direction on the
Russian side of the south-flowing Amur River. it is roughly centered on the city of
215:
ecoregion. The Amur has meandered and shifted over the long term, leaving flat, alluvial soils that support rich wildlife, as well as competing agriculture.
212:
457:
199:
ecoregion. Separated by 150 km, the southern section is about 100 km longer, and straddles the Amur as it turns northeast between
127:
179:
glaciation, creating a refuge for many plant and animal species. It has an area of 123,283 square kilometres (47,600 sq mi).
361:
208:
313:
277:
33:
81:
452:
387:
447:
442:
290:
224:
196:
271:
66:
420:
365:
172:
207:
in Russia. Most of this section is in China. To the north and east of this section is the
317:
204:
188:
37:
436:
241:
200:
394:
339:
192:
176:
50:
236:
168:
249:(umbellifers of the Parsley family) that are often tall, flowering herbs, of
142:
129:
164:
256:
246:
239:
on the lowest levels and terraces, the dominant plants are reed grasses (
267:
There are two significant nationally protected areas in the ecoregion:
251:
245:). The extensive meadows of the ecoregion support many species of
195:, Russia. This section is mostly surrounded by higher ground in the
112:
41:
107:
76:
167:(WWF ID: PA0901) is spread over two sections of the middle
121:
100:
92:
87:
75:
65:
60:
21:
362:"Climate Data for Latitude 48.75 Longitude 131.25"
225:Humid continental climate - cool summer subtype
422:Plant-geography Upon a Physiological Basis ...
255:, hardy deciduous-leaved shrubs of the family
8:
213:Suiphun-Khanka meadows and forest meadows
96:123,282 km (47,599 sq mi)
419:Andreas Franz Wilhelm Schimper (1903).
302:
18:
308:
306:
7:
393:. Ramsar Convention. Archived from
364:. GlobalSpecies.org. Archived from
316:. GlobalSpecies.org. Archived from
211:ecoregion, and to the south is the
209:Ussuri broadleaf and mixed forests
14:
278:Bolshekhekhtsirsky Nature Reserve
34:Bolshekhekhtsirsky Nature Reserve
16:Ecoregion in the Amur river basin
388:"Khingano-Arkharinskaya Lowland"
49:
27:
458:Flooded grasslands and savannas
425:Clarendon Press. pp. 592–.
82:Flooded grasslands and savannas
55:Ecoregion territory (in purple)
1:
291:List of ecoregions in Russia
342:. World Wildlife Federation
274:, in the north section, and
474:
48:
26:
280:in the southern section.
197:Manchurian mixed forests
183:Location and description
203:province in China, and
272:Khingan Nature Reserve
453:Palearctic ecoregions
368:on September 23, 2018
448:Ecoregions of Russia
314:"Amur meadow steppe"
443:Ecoregions of China
400:on October 31, 2018
320:on October 30, 2018
139: /
162:Amur meadow steppe
22:Amur meadow steppe
223:The region has a
158:
157:
465:
427:
426:
416:
410:
409:
407:
405:
399:
392:
384:
378:
377:
375:
373:
358:
352:
351:
349:
347:
336:
330:
329:
327:
325:
310:
173:Russian Far East
154:
153:
151:
150:
149:
144:
143:48.75°N 131.25°E
140:
137:
136:
135:
132:
53:
31:
19:
473:
472:
468:
467:
466:
464:
463:
462:
433:
432:
431:
430:
418:
417:
413:
403:
401:
397:
390:
386:
385:
381:
371:
369:
360:
359:
355:
345:
343:
338:
337:
333:
323:
321:
312:
311:
304:
299:
287:
265:
233:
231:Flora and fauna
221:
205:Khabarovsk Krai
189:Blagoveshchensk
185:
147:
145:
141:
138:
133:
130:
128:
126:
125:
117:
56:
44:
38:Khabarovsk Krai
17:
12:
11:
5:
471:
469:
461:
460:
455:
450:
445:
435:
434:
429:
428:
411:
379:
353:
340:"Eastern Asia"
331:
301:
300:
298:
295:
294:
293:
286:
283:
282:
281:
275:
264:
261:
232:
229:
220:
217:
184:
181:
171:valley in the
156:
155:
123:
119:
118:
116:
115:
110:
104:
102:
98:
97:
94:
90:
89:
85:
84:
79:
73:
72:
69:
63:
62:
58:
57:
54:
46:
45:
32:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
470:
459:
456:
454:
451:
449:
446:
444:
441:
440:
438:
424:
423:
415:
412:
396:
389:
383:
380:
367:
363:
357:
354:
341:
335:
332:
319:
315:
309:
307:
303:
296:
292:
289:
288:
284:
279:
276:
273:
270:
269:
268:
262:
260:
258:
254:
253:
248:
244:
243:
242:Calamagrostis
238:
230:
228:
226:
218:
216:
214:
210:
206:
202:
198:
194:
190:
182:
180:
178:
174:
170:
166:
163:
152:
148:48.75; 131.25
124:
120:
114:
111:
109:
106:
105:
103:
99:
95:
91:
86:
83:
80:
78:
74:
70:
68:
64:
59:
52:
47:
43:
39:
35:
30:
25:
20:
421:
414:
402:. Retrieved
395:the original
382:
370:. Retrieved
366:the original
356:
344:. Retrieved
334:
322:. Retrieved
318:the original
266:
250:
240:
234:
222:
201:Heilongjiang
186:
161:
159:
404:October 28,
372:October 20,
346:October 20,
324:October 20,
263:Protections
237:wet meadows
193:Amur Oblast
177:Pleistocene
146: /
122:Coordinates
437:Categories
297:References
169:Amur River
71:Palearctic
165:ecoregion
101:Countries
88:Geography
285:See also
257:Rosaceae
247:Apiaceae
134:131°15′E
252:Spiraea
235:In the
219:Climate
131:48°45′N
61:Ecology
113:Russia
42:Russia
398:(PDF)
391:(PDF)
108:China
77:Biome
67:Realm
36:, in
406:2018
374:2018
348:2018
326:2018
160:The
93:Area
191:in
439::
305:^
259:.
40:,
408:.
376:.
350:.
328:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
