CAJ | 학술논문

蒙新河狸为国家一级保护动物,数量稀少,属濒危物种。通过对该物种采食对策的初步观察研究,结果表明：在食物选择上,蒙新河狸对径级为1～3 cm的树木呈正选择。蒙新河狸家域最主要的采食区域为巢穴上下游100 m范围内,主河道两岸10 m范围内。蒙新河狸采食主要选择2年生的树木和多年生的大树（7 cm以上）。
몽신하리위국가일급보호동물,수량희소,속빈위물충。통과대해물충채식대책적초보관찰연구,결과표명：재식물선택상,몽신하리대경급위1～3 cm적수목정정선택。몽신하리가역최주요적채식구역위소혈상하유100 m범위내,주하도량안10 m범위내。몽신하리채식주요선택2년생적수목화다년생적대수（7 cm이상）。
Castor fiber brirula,whose number is rare,is first class national protected animals,being endangered species.Feeding strategies of this species were preliminarily observed studied.Result shows that： in the choice of food,Castor fiber brirula appears positive selection on the diameter class of the 1-3 cm.The main feeding range of Castor fiber brirula home range is 100 m upstream and downstream within the nest,10 m range in both sides of main channel.Castor fiber brirula mainly choose 2-year-old trees perennial trees（above 7 cm） for feed.