Eco\|geographical distribution, biological characters and conservation of \%Brachystachyum \%Keng were studied. The coverage of \%B. densiflorum \%forest increased from 40%～45% to over 90% through rejuvenesced method...Eco\|geographical distribution, biological characters and conservation of \%Brachystachyum \%Keng were studied. The coverage of \%B. densiflorum \%forest increased from 40%～45% to over 90% through rejuvenesced method by conservation \%in situ; \%with the \%ex situ \%strategy, the total individuals of \%B. densiflorum \%var. \%villosum \%increased from 2 to 181 during 5 years (1989～1994), and its mean height reached 3.81 m, its basal\|diameter was 1.95 cm.展开更多
文摘Eco\|geographical distribution, biological characters and conservation of \%Brachystachyum \%Keng were studied. The coverage of \%B. densiflorum \%forest increased from 40%～45% to over 90% through rejuvenesced method by conservation \%in situ; \%with the \%ex situ \%strategy, the total individuals of \%B. densiflorum \%var. \%villosum \%increased from 2 to 181 during 5 years (1989～1994), and its mean height reached 3.81 m, its basal\|diameter was 1.95 cm.
