Image plane detection of FRB121102 with the MeerKAT radio telescope

We present the analysis of radio interferometric 2-s images from a MeerKAT observation of the repeating fast radio burst FRB121102 on September 2019, during which 11 distinct pulses have been previously detected using high time and frequency resolution data cubes. In this work, we detected 6 out of the 11 bursts in the image plane at 1.48 GHz with a minimum peak signal-to-noise ratio (S/N) of 5 {\sigma} and a fluence detection limit of 0.512 Jy ms. These constitute the first detections of a fast radio burst (FRB) or a radio transient using 2-s timescale images with MeerKAT data. Analysis of the fitted burst properties revealed a weighted average precision of 1 arcsec in the localization of the bursts. The accurate knowledge of FRB positions is essential for identifying their host galaxy and understanding their mysterious nature which is still unresolved to this day. We also produced 2-s images at 1.09 GHz but yielded no detection which we attributed to the spectral structure of the pulses that are mostly higher in strength in the upper frequencies. We also explore a new approach to difference imaging analysis (DIA) to search for transients and find that our technique has the potential to reduce the number of candidates and could be used to automate the detection of FRBs in the image plane for future MeerKAT observations.Comment: The paper has already been accepted to MNRAS and we wait for proof of review from the publisher for final publicatio

Correction to: Performing, Analyzing, and Interpreting HRAM and HDAM Recordings

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Achieving sustainable conservation in Madagascar : the case of the newly established Ibity Mountain Protected Area

Globally, the number of protected areas (PAs) has increased exponentially during the last 25 years, particularly in biodiversity-rich developing countries. Many recent initiatives have integrated local-scale socio-economic development into both design and management. Because the rates of deforestation and species extinction are increasing in most parts of the world, substantial efforts have been made to build and strengthen local environmental organizations, to establish new protected areas (NPAs), and to improve natural resource management. An NPA was recently established at Ibity Massif in central Madagascar, where a community-based conservation project is being coordinated by the Missouri Botanical Garden (MBG). In December 2008, a temporary protection order was issued, and definitive establishment of the NPA, which falls under Category V of the IUCN PA system, is expected before the end of 2015. This initiative has involved significant outreach and community education programs to raise awareness of Ibity's conservation and economic importance and the threats to its biodiversity, along with ongoing efforts to reduce fire frequency and implement ecological restoration projects with significant local community participation. In order to ensure the sustainability of this NPA, a co-management plan has been implemented involving MBG, local authorities, and the local population. This study describes the diagnostic process undertaken at Ibity in order to: 1) disseminate the data gathered to inform establishment of the NPA; and 2) summarize the initial state of the environment on the massif prior to the implementation of a management plan, as a baseline for assessing the NPA's effectiveness

Achieving sustainable conservation in Madagascar: The case of the newly established Ibity Mountain Protected Area

Globally, the number of protected areas (PAs) has increased exponentially during the last 25 years, particularly in biodiversity-rich developing countries. Many recent initiatives have integrated local-scale socio-economic development into both design and management. Because the rates of deforestation and species extinction are increasing in most parts of the world, substantial efforts have been made to build and strengthen local environmental organizations, to establish new protected areas (NPAs), and to improve natural resource management. An NPA was recently established at Ibity Massif in central Madagascar, where a community-based conservation project is being coordinated by the Missouri Botanical Garden (MBG). In December 2008, a temporary protection order was issued, and definitive establishment of the NPA, which falls under Category V of the IUCN PA system, is expected before the end of 2015. This initiative has involved significant outreach and community education programs to raise awareness of Ibity's conservation and economic importance and the threats to its biodiversity, along with ongoing efforts to reduce fire frequency and implement ecological restoration projects with significant local community participation. In order to ensure the sustainability of this NPA, a co-management plan has been implemented involving MBG, local authorities, and the local population. This study describes the diagnostic process undertaken at Ibity in order to: 1) disseminate the data gathered to inform establishment of the NPA; and 2) summarize the initial state of the environment on the massif prior to the implementation of a management plan, as a baseline for assessing the NPA's effectiveness.AXA Research FundFrench CEF scholarship program (Corporation pour les Etudes en France - Ministere des Affaires Etrangeres)UMR CNRS IRD Aix Marseille Univ, Univ Avignon & Pays Vaucluse, IMBE, IUT, F-84911 Avignon 09, FranceUniv Antananarivo, Fac Sci, Dept Biol & Ecol Veget, Antananarivo 101, MadagascarMissouri Bot Garden, Madagascar Res & Conservat Program, Antananarivo 101, MadagascarMissouri Bot Garden, Africa & Madagascar Dept, St Louis, MO USAUniv Sorbonne, Museum Natl Hist Nat, Inst Systemat Evolut & Biodiversite ISYEB, UPMC,EPHE,UMR CNRS 7205, F-75231 Paris 05, FranceIRD Montpellier, UMR Gouvernance Risque Environm Dev GRED IRD UPV, F-34394 Montpellier 5, Franc

Achieving sustainable conservation in Madagascar: The case of the newly established Ibity Mountain Protected Area

International audienceGlobally, the number of protected areas (PAs) has increased exponentially during the last 25 years, particularly in biodiversity-rich developing countries. Many recent initiatives have integrated local-scale socioeconomic development into both design and management. Because the rates of deforestation and species extinction are increasing in most parts of the world, substantial efforts have been made to build and strengthen local environmental organizations, to establish new protected areas (NPAs), and to improve natural resource management. An NPA was recently established at Ibity Massif in central Madagascar, where a community-based conservation project is being coordinated by the Missouri Botanical Garden (MBG). In December 2008, a temporary protection order was issued, and definitive establishment of the NPA, which falls under Category V of the IUCN PA system, is expected before the end of 2015. This initiative has involved significant outreach and community education programs to raise awareness of Ibity's conservation and economic importance and the threats to its biodiversity, along with ongoing efforts to reduce fire frequency and implement ecological restoration projects with significant local community participation. In order to ensure the sustainability of this NPA, a co-management plan has been implemented involving MBG, local authorities, and the local population. This study describes the diagnostic process undertaken at Ibity in order to: 1) disseminate the data gathered to inform establishment of the NPA; and 2) summarize the initial state of the environment on the massif prior to the implementation of a management plan, as a baseline for assessing the NPA's effectiveness.Globalement, le nombre d'aires protégées (AP) a augmenté de façon exponentielle au cours des 25 dernières années, en particulier dans les pays en développement plus riches en biodiversité. De nombreuses initiatives récentes ont intégré le développement socio-économique à l'échelle locale dans sa conception et gestion. Etant donné que les taux de déforestation et d'extinction des espèces sont en augmentation dans la plupart des régions du monde, des efforts considérables ont été faits pour construire et renforcer les organisations locales de l'environnement, pour créer de nouvelles aires protégées, et pour améliorer la gestion des ressources naturelles. Une nouvelle AP est actuellement mise en place dans le massif d'Ibity, dans les haut-plateaux au centre de Madagascar, où un projet de conservation basé dans la participation communautaire est coordonné par le Missouri Botanical Garden (MBG). En Décembre 2008, un arrêté temporaire de protection a été délivré et la mise en place définitive de la nouvelle AP qui est classé dans la catégorie V selon le système des aires protégées de l'UICN est attendue avant la fin de 2015. Cette initiative a impliqué un programme de vulgarisation et d'éducation à la communauté centré sur la sensibilisation de la conservation de la diversité d'Ibity et de l'importance économique, les menaces qui pèsent sur la biodiversité, et les efforts en cours pour réduire la fréquence des feux et la mise en oeuvre des projets de restauration écologique avec une importante participation de la communauté locale. Afin d'assurer la durabilité de cet AP, un plan de co-gestion a été mis en place impliquant MBG, les autorités locales et la population locale. Cette étude documente et synthétise le processus de diagnostic entrepris à Ibity afin de: 1) faciliter la diffusion des données recueillies afin d'informer l'établissement de la nouvelle AP; 2) résumer l'état initial de l'environnement sur le massif avant la mise en oeuvre d'un plan de gestion et d'établir ainsi une base de référence qui peut être utilisée pour évaluer l'efficacité des nouvelles AP

Achieving sustainable conservation in Madagascar: The case of the newly established Ibity Mountain Protected Area

International audienceGlobally, the number of protected areas (PAs) has increased exponentially during the last 25 years, particularly in biodiversity-rich developing countries. Many recent initiatives have integrated local-scale socioeconomic development into both design and management. Because the rates of deforestation and species extinction are increasing in most parts of the world, substantial efforts have been made to build and strengthen local environmental organizations, to establish new protected areas (NPAs), and to improve natural resource management. An NPA was recently established at Ibity Massif in central Madagascar, where a community-based conservation project is being coordinated by the Missouri Botanical Garden (MBG). In December 2008, a temporary protection order was issued, and definitive establishment of the NPA, which falls under Category V of the IUCN PA system, is expected before the end of 2015. This initiative has involved significant outreach and community education programs to raise awareness of Ibity's conservation and economic importance and the threats to its biodiversity, along with ongoing efforts to reduce fire frequency and implement ecological restoration projects with significant local community participation. In order to ensure the sustainability of this NPA, a co-management plan has been implemented involving MBG, local authorities, and the local population. This study describes the diagnostic process undertaken at Ibity in order to: 1) disseminate the data gathered to inform establishment of the NPA; and 2) summarize the initial state of the environment on the massif prior to the implementation of a management plan, as a baseline for assessing the NPA's effectiveness.Globalement, le nombre d'aires protégées (AP) a augmenté de façon exponentielle au cours des 25 dernières années, en particulier dans les pays en développement plus riches en biodiversité. De nombreuses initiatives récentes ont intégré le développement socio-économique à l'échelle locale dans sa conception et gestion. Etant donné que les taux de déforestation et d'extinction des espèces sont en augmentation dans la plupart des régions du monde, des efforts considérables ont été faits pour construire et renforcer les organisations locales de l'environnement, pour créer de nouvelles aires protégées, et pour améliorer la gestion des ressources naturelles. Une nouvelle AP est actuellement mise en place dans le massif d'Ibity, dans les haut-plateaux au centre de Madagascar, où un projet de conservation basé dans la participation communautaire est coordonné par le Missouri Botanical Garden (MBG). En Décembre 2008, un arrêté temporaire de protection a été délivré et la mise en place définitive de la nouvelle AP qui est classé dans la catégorie V selon le système des aires protégées de l'UICN est attendue avant la fin de 2015. Cette initiative a impliqué un programme de vulgarisation et d'éducation à la communauté centré sur la sensibilisation de la conservation de la diversité d'Ibity et de l'importance économique, les menaces qui pèsent sur la biodiversité, et les efforts en cours pour réduire la fréquence des feux et la mise en oeuvre des projets de restauration écologique avec une importante participation de la communauté locale. Afin d'assurer la durabilité de cet AP, un plan de co-gestion a été mis en place impliquant MBG, les autorités locales et la population locale. Cette étude documente et synthétise le processus de diagnostic entrepris à Ibity afin de: 1) faciliter la diffusion des données recueillies afin d'informer l'établissement de la nouvelle AP; 2) résumer l'état initial de l'environnement sur le massif avant la mise en oeuvre d'un plan de gestion et d'établir ainsi une base de référence qui peut être utilisée pour évaluer l'efficacité des nouvelles AP