Decades: 1220s 1230s 1240s 1250s 1260s - 1270s - 1280s 1290s 1300s 1310s 1320s
Years: 1271 1272 1273 1274 1275 - 1276 - 1277 1278 1279 1280 1281
... growth of the algae causes destruction of many of the higher links of the local food web[?]. Algae that die and sink to the bottom at the end of the growing ...
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