Some critics of invasion biology have argued the ecosystems by nonindigenous species can create more valuable ecosystems. They consider invaded communities as because they potentially produce ecosystem services. To establish that introduction creates ecosystems, defend value is provisioned These services are derived from productivity, production and cycling resources. Ecosystem productivity a r...

This paper presents a new approach for the lossless compression of engineering data, represented by triangles. The method works in two steps a topology compression followed by an entropy compression. The topology compression is based on the five states; one is automatically recognized by the compressor/decompressor and the remaining is coded by four commands. This approach for topology compress...

wireless mesh networks (WMNs) has been widely used for the new generation wireless network. The capability of selforganization in WMNs reduces the complexity of wireless network deployment and maintenance. So, the perfect estimation of the bandwidth available of the mesh nodes is the required to admission control mechanism which provides QOs confirmation in wireless mesh networks. The bandwidth...