The vegetation communities of the lower Urubamba region, Perú / James A. Comiskey, J. Patrick Campbell,The lower Urubamba region, Perú / Alfonso Alonso, Francisco Dallmeier, Partick Campbell and Ruth Nogueron --Alfonso Alonso, Shahroukh Mistry, Francisco Dallmeier, Percey Núñez, Hamilton Beltrán, William Nauray, Rafael de la Colina, Lucero Acurio and Shana Udvardy -- Orchids of the lower Urubamba region, Perú / William Nauray and Lucero Acurio -- Biodiverdity assessemnt of the aquatic systems of the lower Urubamba region, Perú / Norma Salcedo, Max Hidalgo, Patricia Minaya, Edgardo Castro, Raúl Acosta, Daisy Reyes, Jenny León and Shana Udvardy lower U-- Diversity of land mollusks in the Bamboo-dominated forest of therunbamba region, Perú / Rina Ramírez, Saida Córdova and Katia Caro -- Biodiversity assessment of the arthropods of the lower Urubamba region, Perú / José Santiesteban, Roberto Polo, Saida Córdova, Gorky Valencia, Flor Gómez, Alicia De la and Paola Aibar -- Diversity and Community Structure of the spider of the lower Urubamba region, Perú / SaidaCruz Córdova and Janine Duarez -- Assessement of the scorpions of the lower Urubamba region, Perú / José Antonio Ochoa and Gorky Valencia -- Species richness of the wasp community of the lower Urubamba region, Perú / Albert T. Finnamore -- Assessement of the ants of the lower Urubamba region. Perú / Leeanne Alonso, Michael Kaspari and Alfonso Alonso -- Biodiversity assessment of the diurnal butterflies of the lower Urubamba region, Perú / Gorky Valencia and Alfonso Alonso -- Biodiversity assessment of the nocturnal butterflies of the ower Urubamba region, Perú / Juan Grados -- Biodiversity assessment of the Hedylidae of the ower Urubamba region, Perú /Juan Grados -- Diversity and Trophic relationships of dung beetles of the ower Urubamba region, Perú / Gorky Valencia -- Assessment of amphibians and reptiles of the ower Urubamba region, Perú / Javier Icochea, Eliana Quispitupac, Alfredo Portilla and Elias Ponce -- Diversity and conservation of fish of the ower Urubamba region, Perú / Hernán Ortega, Max Hidalgo, Norma Salcedo, Edgardo Castro and Carlos Riofrio -- Structure and composition of the bird communities of the ower Urubamba region, Perú / George R. Angehr, Constantino Aucca, Daniel G. Christian, Tatiana Pequeño and James Siegel -- The small mammal community of the ower Urubamba region, Perú / Sergio Solari, Elena Vivar, Paul M. Velazco, Juan José Rodrígeuz, Don E. Wilson, Robert J. Baker and José Luis Mena -- Assessment of the large mammals of the ower Urubamba region, Perú / Major Boddicker, Juan José Rodríguez and Jessica Amanzo -- Ectoparasites of small mammals of the ower Urubamba region, Perú / John Chavez -