North America's grassland birds remain in crisis despite decades of conservation efforts.
This review provides an overview of factors contributing to these declines, as well as …

ABSTRACT Norris, James N. Marine Algae of the Northern Gulf of California: Chlorophyta
and Phaeophyceae. Smithsonian Contributions to Botany, number 94, x+ 276 pages, 109 …

Anthropogenic impacts on North American grasslands, a highly endangered ecosystem,
have led to declines of prairie dogs, a keystone species, over 98% of their historical range …

We report on a latitudinal pattern in the structure and species composition of epibenthic
macroinvertebrate communities on rocky reefs along a gradient of eight degrees of latitude …

Few places in the world can claim such a diversity of species as the Gulf of California (Sea of
Cortez), with its 6,000 recorded animal species estimated to be half the number actually …

La flora del estado de Sonora, con un área de 184 934 km², actualmente tiene 3 652
taxones específicos e intraespecíficos en 188 familias y 1 103 géneros, documentada con …

This article describes contemporary landscape management practices in a Rarámuri
community in northern Mexico. Learning from Rarámuri concepts and teachings, I …

Understanding how to adapt to increasing risk under climate change is essential for
governments wishing to mitigate harms and manage insurance and disaster assistance …

Preface the funding for this project was initiated through the efforts of Dan Rogers of the
smithsonian institution. in november 1991, a purchase order (fP2016180000) to develop a …

The genetic origins of species may not all trace to the same time and place as the proximate
cause (s) for population divergence. Moreover, inherent gene‐flow barriers separating …