Zobrazeno 1 - 10
of 14
pro vyhledávání: '"William H. Calvert"'
Publikováno v:
Botanical Sciences, Iss 42 (1982)
The effect of forest density on minimum temperature was measured in several Abies religiosa forest quadrants located in and near colonies of the monarch butterfly (Danaus pexippus), in the Neovolcanic Belt of Mexico. Regression analysis with forest d
Externí odkaz:
https://doaj.org/article/d5024cbb0cd34629b84e6292b8b49750
Autor:
Daniel Slayback, M. Isabel Ramírez, M. Ván Limón García, Stuart B. Weiss, Lincoln P. Brower, William H. Calvert, Raúl R. Zubieta, Ernest H. Williams, Linda S. Fink, Willow Zuchowski
Publikováno v:
Journal of the Lepidopterists’ Society. 65:27-46
During winter, monarch butterflies form dense colonies in oyamel fir forests on high mountains in central Mexico, where the forest canopy serves both as a blanket, moderating temperature, and an umbrella, shielding the butterflies from rain. In this
Autor:
Georgina Alcantar, William H. Calvert, Marı́a José Solares, Lincoln P. Brower, María Del Lourdes Juárez, Salomon Diaz, Liliana Gutiérrez, Salvador Sánchez-Colón, Paola Gómez-Priego, Luis A. Bojórquez-Tapia, Erika Daniela Melgarejo, Guillermo Castilleja, Mariano Hernandez
Publikováno v:
Conservation Biology. 17:367-379
Expert consultation has been used to fill the information gaps that hamper conservation planning and nature reserve design. The use of expert knowledge in conservation planning is difficult, however, because it is subjective, biased, and value-laden.
Autor:
Tonya Van Hook, Denis F. Owen, Karen S. Oberhauser, Lincoln P. Brower, Sonia Altizer, William H. Calvert, Orley R. Taylor, Daniel Vickerman, Alfonso Alonso-Mejia, Stephen B. Malcolm, Myron P. Zalucki, Linda S. Fink, Andrew V. Z. Brower, Kingston L. H. Leong
Publikováno v:
BioScience. 45:540-544
Publikováno v:
Conservation Biology. 5:165-175
Using hemispherical photography and digital im- age analysis, we have quantifed forest canopy structure and light conditions at monarch butterfly (Danaus plexippus) overwintering sites near Santa Barbara, California Hemi- spherical photographs were t
Autor:
Karen S. Oberhauser, J. B. Keiper, Danel B. Vickerman, Linda S. Fink, Myron P. Zalucki, Denis F. Owen, Alfonso Alonso-Mejia, Tonya Van Hook, Kingston L. H. Leong, Sonia Altizer, Andrew V. Z. Brower, Lincoln P. Brower, Stephen B. Malcolm, Orley R. Taylor, William H. Calvert
Publikováno v:
BioScience. 46:562-564
Autor:
William H. Calvert
Publikováno v:
Annals of the Entomological Society of America. 67:853-856
I used the scanning electron microscope to investigate the tarsal receptors of the female butterfly, Chlosyne lacinia . Two kinds of receptors are present; trichoid sensilla associated with the tarsal spines, and setae located in a pit on the dorsal
Publikováno v:
ACTA ZOOLÓGICA MEXICANA (N.S.). :1-18
Para determinar el efecto de la vegetación del sotobosque sobre la supervivencia de las mariposas monarca en el Eje Volcánico Transversal en México. se expusieron mariposas a pernoctar bajo condiciones ambientales con y sin la protección del soto
Publikováno v:
Botanical Sciences. :11-18
The effect of forest density on minimum temperature was measured in several Abies religiosa forest quadrants located in and near colonies of the monarch butterfly ( Danaus pexippus ), in the Neovolcanic Belt of Mexico. Regression analysis with forest
Autor:
William H. Calvert, James A. Cohen
Publikováno v:
Ecological Entomology. 8:471-474