نتایج جستجو برای: ecological information continuously

تعداد نتایج: 1289213  

2013
Michael Kubach Heiko Rossnagel Rachelle Sellung

Although eID technology has undergone several development cycles and eID have been issued to citizens of various European countries, it is still not as broadly used as originally expected. One reason is the absence of compelling use cases besides eGovernment. Current Research focuses mainly on the needs of the user and technical aspects. The economic perspective is often disregarded. This is es...

Journal: :Interface focus 2012
Daniel Grünbaum

Most ecological interactions occur in environments that are spatially and temporally heterogeneous-'patchy'-across a wide range of scales. In contrast, most theoretical models of ecological interactions, especially large-scale models applied to societal issues such as climate change, resource management and human health, are based on 'mean field' approaches in which the underlying patchiness of...

Journal: :Pacific Journal of Mathematics 1979

Journal: :Proceedings of the American Mathematical Society 2006

2016
Wu Xiong Qingyun Zhao Chao Xue Weibing Xun Jun Zhao Huasong Wu Rong Li Qirong Shen

Long-term vanilla monocropping often results in the occurrence of vanilla Fusarium wilt disease, seriously affecting its production all over the world. In the present study, vanilla exhibited significantly less Fusarium wilt disease in the soil of a long-term continuously cropped black pepper orchard. The entire fungal communities of bulk and rhizosphere soils between the black pepper-vanilla s...

2010
Sarah E. Lester Karen L. McLeod Heather Tallis Mary Ruckelshaus Benjamin S. Halpern Phillip S. Levin Francisco P. Chavez Caroline Pomeroy Bonnie J. McCay Christopher Costello Steven D. Gaines Amber J. Mace John A. Barth David L. Fluharty Julia K. Parrish

Declining ocean health, increasing human demands on marine ecosystems, and a history of management focused on individual activities, species or sectors has led to calls for more comprehensive, integrated management that considers entire coupled social-ecological systems. This transition to ecosystem-based management (EBM) for the oceans will certainly face a number of hurdles, and many practiti...

2017
Han-Shen Chen Peter L. M. Goethals

Gaomei wetlands are national Taiwanese coastal wetlands. Over the past few years, they have grown into an important water bird habitat and popular bird-watching location. However, the rapid growth in tourism has begun to affect the environmental quality in the Gaomei wetlands. This study combined ecosystem services (ES) and ecological footprint (EF) assessments to evaluate the sustainability st...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1999
C J Schneider T B Smith B Larison C Moritz

Comparison of mitochondrial and morphological divergence in eight populations of a widespread leaf-litter skink is used to determine the relative importance of geographic isolation and natural selection in generating phenotypic diversity in the Wet Tropics Rainforest region of Australia. The populations occur in two geographically isolated regions, and within each region, in two different habit...

2007
Brett R. Fajen

The purpose of this essay is to compare and contrast existing theoretical approaches to understanding the visual guidance of action and to introduce a new approach. The focus is on tasks, such as steering, braking, and intercepting, that are (more or less) continuously guided on the basis of visual information. The prominent approach, information-based control, captures important aspects of beh...

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