Individual itineraries and the circulation of scientific and technical knowledge in East Asia (16th–20th centuries)

Kangxi mentions the wheat grown in the Heilongjiang region in the Ji xia ge wu bian

Description of woji 窩集 in the Ji xia ge wu bian 幾暇格物編

The Nanaï/Hezhe (also called 魚皮躂子) use dogs for transport.

An envoy to the North-Eastern region confirms the loyalty of the savages 野人 who live there.

The Nanaï/Hezhe (also called 魚皮躂子) eat fish and make clothes with fish skin.

The Orotch eat fish and make clothes with fish skin.

The Orotch use deer for transport.

Mention of thick ice to the North of Heilongjiang.

Mention of Dafaha fish 達發哈魚, found in Heilongjiang and Ningguta in Ji xia ge wu bian

Mention of territories to the North of Heilongjiang where night never becomes completely dark, and the sun rises again one hour after having set.

Kangxi mentions fish turning into deer in Heilongjiang

Kangxi mentions ying'e, which grows in the Ula and Shengjing regions

Travels in Heilongjiang 黑龍江