نتایج جستجو برای: ecological changing

تعداد نتایج: 244531  

Journal: :Statistics in medicine 2012
Donald Hedeker Robin J Mermelstein Hakan Demirtas

Ecological momentary assessment and/or experience sampling methods are increasingly used in health studies to study subjective experiences within changing environmental contexts. In these studies, up to 30 or 40 observations are often obtained for each subject. Because there are so many measurements per subject, one can characterize a subject's mean and variance and can specify models for both....

2015
Owen L Petchey Mikael Pontarp Thomas M Massie Sonia Kéfi Arpat Ozgul Maja Weilenmann Gian Marco Palamara Florian Altermatt Blake Matthews Jonathan M Levine Dylan Z Childs Brian J McGill Michael E Schaepman Bernhard Schmid Piet Spaak Andrew P Beckerman Frank Pennekamp Ian S Pearse

Forecasts of ecological dynamics in changing environments are increasingly important, and are available for a plethora of variables, such as species abundance and distribution, community structure and ecosystem processes. There is, however, a general absence of knowledge about how far into the future, or other dimensions (space, temperature, phylogenetic distance), useful ecological forecasts c...

2015
GRAEME S. CUMMING CRAIG R. ALLEN NATALIE C. BAN DUAN BIGGS HARRY C. BIGGS DAVID H. M. CUMMING ALTA DE VOS GRAHAM EPSTEIN MICHEL ETIENNE KRISTINE MACIEJEWSKI RAPHAËL MATHEVET CHRISTINE MOORE MATEJA NENADOVIC MICHAEL SCHOON

Protected areas (PAs) remain central to the conservation of biodiversity. Classical PAs were conceived as areas that would be set aside to maintain a natural state with minimal human influence. However, global environmental change and growing cross-scale anthropogenic influences mean that PAs can no longer be thought of as ecological islands that function independently of the broader social-eco...

2016
Ryan Allan Johnson Marc A. Linderman RYAN ALLAN JOHNSON Heather Sander

Ecological indicators, historical land use, and invasive species detection in the lower Iowa River floodplain." MA has been approved by the Examining Committee for the thesis requirement for the Master of Arts degree in Geography at the May 2014 graduation.

Journal: :Journal of personality and social psychology 2005
Linda C Gallo Laura M Bogart Ana-Maria Vranceanu Karen A Matthews

The current study used ecological momentary assessment to test several tenets of the reserve capacity model (L.C. Gallo & K. A. Matthews, 2003). Women (N = 108) with varying socioeconomic status (SES) monitored positive and negative psychosocial experiences and emotions across 2 days. Measures of intrapsychic and social resources were aggregated to represent the reserve capacity available to ma...

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