نتایج جستجو برای: connectivity restoration

تعداد نتایج: 116488  

Journal: :American journal of botany 2011
Lars A Brudvig

The practice of ecological restoration is a primary option for increasing levels of biodiversity by modifying human-altered ecosystems. The scientific discipline of restoration ecology provides conceptual guidance and tests of restoration strategies, with the ultimate goal of predictive landscape restoration. I construct a conceptual model for restoration of biodiversity, based on site-level (e...

Journal: :Ecosphere 2023

Abstract Mobile species are particularly affected by artificial barriers requiring large investments to restore connectivity. However, few large‐scale, long‐term studies have investigated the ecological outcomes of restoring connectivity for these species. Our study, spanning 15–20 years, quantified response trajectories, which represent temporal trends following disturbance, three native salmo...

Journal: :Electr. Notes Theor. Comput. Sci. 2008
Frank G. Radmacher Wolfgang Thomas

A model of dynamic networks is introduced which incorporates three kinds of network changes: deletion of nodes (by faults or sabotage), restoration of nodes (by actions of “repair”), and creation of nodes (by actions that extend the network). The antagonism between the operations of deletion and restoration resp. creation is modelled by a game between the two agents “Destructor” and “Constructo...

2007
Frank G. Radmacher Wolfgang Thomas

A model of dynamic networks is introduced which incorporates three kinds of network changes: deletion of nodes (by faults or sabotage), restoration of nodes (by actions of “repair”), and creation of nodes (by actions that extend the network). The antagonism between the operations of deletion and restoration resp. creation is modelled by a game between the two agents “Destructor” and “Constructo...

Journal: :Land 2022

The construction of an ecological security pattern can effectively overcome the contradiction between regional human exploitation and protection in coastal zone. Taking Xiangshan Bay (XSB) basin as example, this study identified source areas from three aspects, namely ecosystem services’ importance, sensitivity, landscape connectivity, then constructed resistance surfaces, corridors, pattern. r...

2013
Iris Y. Zhou Yu-Xiang Liang Russell W. Chan Patrick P. Gao Joe S. Cheng Yong Hu Kwok-Fai So Ed X. Wu

Despite the immense ongoing efforts to map brain functional connections and organizations with resting-state functional MRI (rsfMRI), the mechanisms governing the temporally coherent rsfMRI signals remain elusive. In particular, there is a lack of direct evidence regarding the morphological foundation and plasticity of these rsfMRI derived connections. In this study, we investigated the role of...

2009
M. Padgham

Planning of catchment-scale programs of stream restoration requires an ability to predict the combination of small-scale projects that will provide the greatest ecological benefit. However, we lack the tools to predict where within stream systems restoration should be undertaken to achieve maximum ecological benefit, or to quantify the cumulative effect of multiple small-scale projects. Stream ...

2001
John Doucette Wayne D. Grover

We present a series of experimental designs based on different mesh survivability principles and study how the working and spare capacity requirements of each network type vary with the network average nodal degree or notionally, the connectivity of the facilities graph of the network. This is accompanied by an attempt at some simple theories for bounding or estimating how capacity and redundan...

Journal: :IEICE Transactions 2007
Yasuichi Kitamura Youngseok Lee Ryo Sakiyama Koji Okamura

We explain how network failures were caused by a natural disaster, describe the restoration steps that were taken, and present lessons learned from the recovery. At 21:26 on December 26th (UTC+9), 2006, there was a serious undersea earthquake off the coast of Taiwan, which measured 7.1 on the Richter scale. This earthquake caused significant damage to submarine cable systems. The resulting fibe...

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