American covenant : national parks, their promise, and our nation's future /

by Soukup, Michael A., Machlis, Gary E.
Published 2021

The future of conservation in America : a chart for rough water /

by Machlis, Gary E., Jarvis, Jonathan B.
Published 2018

The structure and dynamics of human ecosystems : toward a model for understanding and action /

by Burch, William R., 1933-, Machlis, Gary E., Force, Jo Ellen
Published 2017

The Structure and dynamics of human ecosystems : toward a model for understanding and action /

by Burch, William R., Jr., Machlis, Gary E., Force, Jo Ellen
Published 2017

The structure and dynamics of human ecosystems : toward a model for understanding and action /

by Burch, William R., 1933-, Force, Jo Ellen, Machlis, Gary E.
Published 2017

The Baltimore School of Urban Ecology : space, scale, and time for the study of cities /

by Grove, J. Morgan, Cadenasso, Mary L., Pickett, Steward T., 1950-, Machlis, Gary E., Burch, William R., 1933-
Published 2015

Warfare ecology : a new synthesis for peace and security /

Published 2011

Science, conservation, and national parks /

Published 2017

The Baltimore School of Urban Ecology : space, scale, and time for the study of cities /

by Grove, J. Morgan.
Published 2015