VORTEX PVA Software (Popularity: ): Population Viability Analysis Software, for use in research, management, and conservation planning. WWW-Server for Ecological Modelling (Popularity: ): Information about ecological modelling (simulation models, descriptions of these models, simulation-software, data sources and other information about modelling). Many ecological models available for downloading; researchers are invited to upload their ... Ecomaster and Cascoly Critters (Popularity: ): Software: Ecology and biology simulations for all ages Wa-Tor for Windows (Popularity: ): Site offers a population ecology simulation game pitting sharks against fish. The populations may fluctuate or may go extinct, depending on the initial parameters and subsequent random events. EcoBeaker - Ecology teaching software (Popularity: ): Simulation software for teaching ecology, conservation biology, and evolution. Also makes individual-based research models. RAMAS Ecological and Environmental Software (Popularity: ): Offers software for ecology, conservation biology, wildlife management, and human health risk analysis. Data analysis for endangered and threatened species, models of extinction risk assessment linked to geographic information systems. Biota (Popularity: ): Microbial Ecology Resources' software; this particular item will run simulations of multiple species in a specific environment. Most variables can be manipulated. Environmental Design Making (Popularity: ): Microbial Ecology Resources' software designed for students. Allows students to create ecosystems to gain understandings of ecosystem functionality and productivity. Ecological Software Solutions (Popularity: ): Software for biology, ecology, geography, wildlife fisheries and the environmental sciences. WorldMap (Popularity: ): Software for exploring geographical patterns in diversity, rarity and conservation priorities from large biological datasets.