Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Michael Treshow"'
Autor:
Mansfield, Terence A.
Publikováno v:
Environmental Conservation, 1984 Jul 01. 11(2), 191-192.
Externí odkaz:
https://www.jstor.org/stable/44520350
Autor:
Kormondy, Edward J.
Publikováno v:
The Quarterly Review of Biology, 1977 Mar 01. 52(1), 120-120.
Externí odkaz:
https://www.jstor.org/stable/2824400
Autor:
Campbell, R. S.
Publikováno v:
Journal of Range Management, 1965 Sep 01. 18(5), 290-290.
Externí odkaz:
https://www.jstor.org/stable/3895506
Autor:
Weber, William A.
Publikováno v:
The American Biology Teacher, 1971 Nov 01. 33(8), 499-499.
Externí odkaz:
https://www.jstor.org/stable/4443661
Autor:
Terence Arthur Mansfield
Publikováno v:
Environmental Conservation. 11:191-192
Autor:
William A. Weber
Publikováno v:
The American Biology Teacher. 33:499-499
Autor:
Weber, William A.
Publikováno v:
The American Biology Teacher; November 1971, Vol. 33 Issue: 8 p499-499, 1p
Publikováno v:
Canadian Journal of Forest Research. 23:2467-2472
Growth of white ash (Fraxinusamericana L.), green ash (Fraxinuspennsylvanica Marsh.), and velvet ash (Fraxinusvelutina Torr.) as related to infection by ash yellows mycoplasmalike organisms (MLOs) was assessed by diagnosing and grouping trees as MLO
Publikováno v:
The UW National Parks Service Research Station Annual Reports. 16:221-227
Velvet ash (Fraxinus velutina) in Zion Canyon have declined in vigor, and some are dying. This species is aesthetically and ecologically important in the canyon, because it is one of only three tree species that commonly grow to large size on the can
Publikováno v:
The UW National Parks Service Research Station Annual Reports. 15:283-291
Velvet ash (Fraxinus velutina) in Zion Canyon have declined in vigor, and some are dying. This species is aesthetically and ecologically important in the canyon, because it is one of only three tree species that commonly grow to large size on the can