Contributors:Moises Casas Peña, Juan Alonso Ramírez-Fernández, Fernando Velasco-Tapia, Eduardo Alejandro Alemán-Gallardo, Carita Augustsson et al
From samples of the Paleozoic Tamatán Group (Huizachal–Peregrina Anticlinorium, Tamaulipas, Mexico), petrographic (qualitative and modal) and geochemical analyses (major, trace, and rare earth elements) were conducted. The first U–Pb geochronological data on detrital zircons of the Tamatán Group were generated using four samples. The data presented here contains a broad overview of photomicrography, recalculated modal point-count data, raw geochemical data, and simple statistics of selected geochemical parameters. The data presented in this article are interpreted and discussed in the research article titled “Provenance and tectonic setting of the Tamatán Paleozoic sequence, NE Mexico: Implications for the closure of the Rheic Ocean at the northwestern part of Gondwana” .
Value of the data
• Important data available for researchers conducting research on the Northwestern margin of Gondwana and adjacent areas.
• Data collection available for sedimentologists, working with geochemical data.
• Data made availabla to construct integrated geological models for the Northwestern Margin of Gondwana and adjacent areas.
• A complete geochemical dataset for the Tamatán Group.
• Tectonic activity, weathering, and provenance data of the Tamatán Group are provided.
• First U-Pb geochronological data of the Tamatán Group
This article provides data from 105 samples. From 70 samples, photomicrographs were taken and point-counted and modal analyses on recalculated petrographic parameters were provided were provided. Geochemical analyses (major, trace, and rare earth elements [REE]) of 73 samples were conducted. Four samples for U–Pb geochronological zircon analyses were made. The sample location is given with the geographical and UTM coordinates of each sample. Each sample is located on a geological map. The petrographic and geochemical data are presented as raw data and displayed as a simple statistic of the selected petrography and geochemical parameters, respectively. Additionally, outcrop photographs are provided.
Financial support for this work was provided by a Ph.D. fellowship from the National Council of Science and Technology (CONACYT). The first author, a Ph.D. student at the postgraduate program of the Facultad de Ciencias de la Tierra, Universidad Autónoma de Nuevo León (FCT/UANL), wants to thank Sergio Padilla-Ramírez, Centro de Investigación Científica y de Educación Superior de Ensenada B.C, México and Susana Rosas-Montoya and Daniela Tazzo (CICESE) for their help in the preparation and analysis of the geochronological data. Special thanks to L.A. Elizondo-Pacheco, N.Z. Morales-Alemán, and D.C. Rodríguez-Campero y M. Rodríguez-Escamilla (FCT/UANL) for their assistance in the field. The geochemical and geochronological analyses were supported by the PAICyT projects CT-129-09 and CN-940-19, which was granted by the Universidad Autónoma de Nuevo León.
Contributors:Luc Janssens de Bisthoven, Maarten M.P.M. Vanhove, Anne-Julie Rochette, Jean Hugé
The social-ecological system of the Lake Manyara basin (Northern Tanzania), a UNESCO Biosphere reserve (BR) suffers from socio-economic and environmental problems due to decreasing water levels, erosion and land and water use conflicts. An integrated assessment of the social-ecological interactions of the area is required to support future sustainable management. Within the Drivers-Pressures-State-Impact-Response (DPSIR) framework an integrated literature review and several methods of knowledge collection were combined to identify future management priorities and challenges. Annex 1 provides original fragments of information found in the selected literature, and coded as COD1, both for problems and causes of problems and for solutions. Focus groups with farmers and pastoralists collected a comprehensive set of statements about the situation. Annex 2 provides maps drawn by members of the authorities, the scientists, the pastoralists and the smallholder farmers in a community mapping exercise. Annex 3 provides a list of the 26 ecosystem services assessed by the participants during Focus Group 2. Annex 4 provides the questions used in the key informants interviews. Annex 5 provides the initial codes (letters) and corresponding merged codes (numbers) from key informants interviews. Annex 6 provides benchmarking results from the literature review and key-informants interviews.