Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Michael Treshow"'
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfe1541d1392b9609cfb65bb2bb3a78c
https://doi.org/10.1139/x93-306
https://doi.org/10.1139/x93-306
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce5fd9c7a50736b342a6cdbcf8c7833a
https://doi.org/10.13001/uwnpsrc.1992.3125
https://doi.org/10.13001/uwnpsrc.1992.3125
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e49da25b67da96a855db7846bb842665
https://doi.org/10.13001/uwnpsrc.1991.3049
https://doi.org/10.13001/uwnpsrc.1991.3049
Publikováno v:
The UW National Parks Service Research Station Annual Reports. 14:199-202
Many 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 species that commonly grow to large size on the can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2050f20767bc527724e79095e62d7b5
https://doi.org/10.13001/uwnpsrc.1990.2943
https://doi.org/10.13001/uwnpsrc.1990.2943
Autor:
Michael Treshow
Publikováno v:
Environmental Conservation. 17:189-189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44fd4977fb287b8ea565fb1bcd0fe56e
https://doi.org/10.1017/s0376892900032215
https://doi.org/10.1017/s0376892900032215
Autor:
Michael Treshow, John Allan
Publikováno v:
Environmental Conservation. 6:231-236
The dynamics of a Pinyon Pine-Utah Juniper woodlands community were studied to determine the baseline conditions and the annual variation in the major plant components. Understanding the normal baseline community status and its annual variation is pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d495753d4c2a3446f02ba5ae034bda83
https://doi.org/10.1017/s037689290000312x
https://doi.org/10.1017/s037689290000312x
Autor:
Michael Treshow
Publikováno v:
Environmental Conservation. 7:279-286
Since Man's earliest dominion of the Earth, he has depended on the land and its plants for his survival, and he has often altered the forest and field to enhance his success. He has removed some species, planted others, and encouraged growth of still
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f69ba03d047533e0c375ae3d8934dc5a
https://doi.org/10.1017/s037689290000802x
https://doi.org/10.1017/s037689290000802x
Autor:
Miguel A. Altieri, Michael Treshow, Sonja N. Kerr, Terrell W. Zollinger, Christian G. Daughton
Publikováno v:
Environmental Management. 5:543-547
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f42062c94bf18e1af7237d3c67a31213
https://doi.org/10.1007/bf01866728
https://doi.org/10.1007/bf01866728
Autor:
Michael Treshow, Max Harward
Publikováno v:
Environmental Conservation. 2:17-23
The purpose of this study was to learn how ozone might affect the growth and reproduction of understorey species of the aspen community, and thereby influence its stability and composition. Plants of 14 species belonging to the aspen community were g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6efbabbd8acfcb933a8c05a9d76f8a74
https://doi.org/10.1017/s0376892900000564
https://doi.org/10.1017/s0376892900000564
Autor:
John Allan, Michael Treshow
Publikováno v:
Environmental Management. 9:471-477
The Environmental Impact Statement (EIS) attempts to portray the current character of a given ecosystem. This provides a “Baseline” against which future possible changes can be assessed. Ecosystems, however, are dynamic and in a constant state of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03e6cfb7eaf04aa7cb6913fb640ebe12
https://doi.org/10.1007/bf01867321
https://doi.org/10.1007/bf01867321