Abstract in Japanese here: https://keitaimotanai.web.fc2.com/abstractJE.htm I will post a link to the full report with photos, tables and figures after I figure out how to upload it. In the meantime I can send a pdf to anyone requesting it.
I will post updates on the situation and respond to comments here. Two points worth mentioning now: 1) The dusky thrushes (Turdus eunomus), a formerly prominent winter species throughout Japan from October to early May, failed to show up this year, except one pair I encounter occasionally that keeps to the satoyama groves (it was always an open-land rice paddy forager). 2) The enormous sweet potatoes we harvested from the directly exposed field turned out to be rotten on the inside. I don't know whether the commercial operator next to our field had the same result--they only send around hired help.
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I will post a link to the full report with photos, tables and figures after I figure out how to upload it. In the meantime I can send a pdf to anyone requesting it.
I will post updates on the situation and respond to comments here. Two points worth mentioning now:
1) The dusky thrushes (Turdus eunomus), a formerly prominent winter species throughout Japan from October to early May, failed to show up this year, except one pair I encounter occasionally that keeps to the satoyama groves (it was always an open-land rice paddy forager).
2) The enormous sweet potatoes we harvested from the directly exposed field turned out to be rotten on the inside. I don't know whether the commercial operator next to our field had the same result--they only send around hired help.