5 research outputs found

    Modelo de acciones de socioecogestión para recuperación y conservación del paisaje del humedal de Tecocomulco

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    In this study, an integral and mixed Socio-eco-management Action Model was developed as a contribution to the recovery and conservation methodologies of wetlands and their landscapes, highlighting the participation of the community, experts, authorities, scientific developments, biological controls and regenerative tourism, applied in the Laguna de Tecocomulco. Perception surveys and interviews with experts showed that the factor that most affects the lagoon is contamination by water lily (Eichhornia crassipes). Complex systems model allowed simulating the reproduction trajectory of the Lily, allowing it to be removed in a controlled manner from places with higher concentration. It also allowed links with natural remediation scientific developments through neoquetinos, applied as a pilot way through regenerative tourism. This model can be an interesting contribution in the recovery and conservation of the wetland landscape, applicable to other recovery systems such as traditional knowledge, generating environmental, social, tourist and economic benefits in the community.En este estudio se desarrolló un Modelo de Acciones de Socioecogestión, integral y mixto, como aportación a las metodologías de recuperación y conservación de humedales y sus paisajes, resaltando la participación de la comunidad, expertos, autoridades, desarrollo científico, control biológico y turismo regenerativo, aplicado en la Laguna de Tecocomulco. Las encuestas de percepción y entrevistas a expertos mostraron que el factor que más afecta la laguna es la contaminación por Lirio (Eichhornia crassipes). El modelo de sistemas complejos permitió simular la trayectoria de reproducción del Lirio, permitiendo retirarlo controladamente de lugares con mayor concentración. También permitió la vinculación con desarrollos científicos de remediación natural mediante neoquetinos, aplicado de manera piloto mediante turismo regenerativo. Este modelo, puede ser una aportación interesante en la recuperación y conservación del paisaje de humedales, aplicable a otros sistemas de recuperación como son de saberes tradicionales, generando beneficios ambientales, sociales, turísticos y económicos en la comunidad

    Investigadoras en la UNAM : trabajo académico, productividad y calidad de vida

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    La implementación de los sistemas de estímulos económicos por rendimiento académico introdujo modificaciones sustantivas en las formas de trabajo y en la cultura laboral en la Universidad. En este libro las autoras analizan cómo se articulan las lógicas de la productividad, que provienen de dichos sistemas, con la condición de género, para crear diferencias sutiles que profundizan, aún más, las desigualdades ya existentes entre investigadores e investigadoras de la UNAM

    Early stage litter decomposition across biomes

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    Through litter decomposition enormous amounts of carbon is emitted to the atmosphere. Numerous large-scale decomposition experiments have been conducted focusing on this fundamental soil process in order to understand the controls on the terrestrial carbon transfer to the atmosphere. However, previous studies were mostly based on site-specific litter and methodologies, adding major uncertainty to syntheses, comparisons and meta-analyses across different experiments and sites. In the TeaComposition initiative, the potential litter decomposition is investigated by using standardized substrates (Rooibos and Green tea) for comparison of litter mass loss at 336 sites (ranging from −9 to +26 °C MAT and from 60 to 3113 mm MAP) across different ecosystems. In this study we tested the effect of climate (temperature and moisture), litter type and land-use on early stage decomposition (3 months) across nine biomes. We show that litter quality was the predominant controlling factor in early stage litter decomposition, which explained about 65% of the variability in litter decomposition at a global scale. The effect of climate, on the other hand, was not litter specific and explained <0.5% of the variation for Green tea and 5% for Rooibos tea, and was of significance only under unfavorable decomposition conditions (i.e. xeric versus mesic environments). When the data were aggregated at the biome scale, climate played a significant role on decomposition of both litter types (explaining 64% of the variation for Green tea and 72% for Rooibos tea). No significant effect of land-use on early stage litter decomposition was noted within the temperate biome. Our results indicate that multiple drivers are affecting early stage litter mass loss with litter quality being dominant. In order to be able to quantify the relative importance of the different drivers over time, long-term studies combined with experimental trials are needed.This work was performed within the TeaComposition initiative, carried out by 190 institutions worldwide. We thank Gabrielle Drozdowski for her help with the packaging and shipping of tea, Zora Wessely and Johannes Spiegel for the creative implementation of the acknowledgement card, Josip Dusper for creative implementation of the graphical abstract, Christine Brendle for the GIS editing, and Marianne Debue for her help with the data cleaning. Further acknowledgements go to Adriana Principe, Melanie Köbel, Pedro Pinho, Thomas Parker, Steve Unger, Jon Gewirtzman and Margot McKleeven for the implementation of the study at their respective sites. We are very grateful to UNILEVER for sponsoring the Lipton tea bags and to the COST action ClimMani for scientific discussions, adoption and support to the idea of TeaComposition as a common metric. The initiative was supported by the following grants: ILTER Initiative Grant, ClimMani Short-Term Scientific Missions Grant (COST action ES1308; COST-STSM-ES1308-36004; COST-STM-ES1308-39006; ES1308-231015-068365), INTERACT (EU H2020 Grant No. 730938), and Austrian Environment Agency (UBA). Franz Zehetner acknowledges the support granted by the Prometeo Project of Ecuador's Secretariat of Higher Education, Science, Technology and Innovation (SENESCYT) as well as Charles Darwin Foundation for the Galapagos Islands (2190). Ana I. Sousa, Ana I. Lillebø and Marta Lopes thanks for the financial support to CESAM (UID/AMB/50017), to FCT/MEC through national funds (PIDDAC), and the co-funding by the FEDER, within the PT2020 Partnership Agreement and Compete 2020. The research was also funded by the Portuguese Foundation for Science and Technology, FCT, through SFRH/BPD/107823/2015 (A.I. Sousa), co-funded by POPH/FSE. Thomas Mozdzer thanks US National Science Foundation NSF DEB-1557009. Helena C. Serrano thanks Fundação para a Ciência e Tecnologia (UID/BIA/00329/2013). Milan Barna acknowledges Scientific Grant Agency VEGA (2/0101/18). Anzar A Khuroo acknowledges financial support under HIMADRI project from SAC-ISRO, India
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