Clelia SIRAMI
Ancienne membre de l'équipe DPB - cette page n'est plus maintenue
(date de dernière mise à jour: 26/02/2015)
Chercheuse (CNRS)
Research interests
I am a landscape ecologist investigating the role of land-use changes on landscapes and species distribution. I am interested in the role of both agriculture intensification and land abandonment, opposite trajectories often occurring concomitantly. I am working on a range of fauna taxa, from the most studied birds to the most mysterious bats or the least studied saproxylic beetles. I am also interested in linking ecological, sociological and participative approaches to develop sustainable human activities.
I am currently coordinating the international project FarmLand involving teams from France, Germany, Great Britain, Spain and Canada. The objectives of FarmLand are to: (1) disentangle the relationships between crop heterogeneity and biodiversity in seven European agricultural regions (one in Germany, four in France, one in the United Kingdom and one in Spain) and one Canadian agricultural region; (2) assess the links between crop heterogeneity and ecosystem services such as pollination and/or biological control across these regions and (3) study the diversity of farming systems, the farmers’ mental models of the ecological functioning of their farms and the researchers' mental models of biodiversity conservation in agricultural landscapes. FarmLand will promote the collective build up of acceptable recommendations for policy-makers that enhance biodiversity and ecosystem services in farmland.
For more information on the FarmLand project, please visit the FarmLand website.
Publications
Sirami C, Jacobs DS, Cumming GS (2013) Artificial wetlands and surrounding habitats provide important foraging habitat for bats in agricultural landscapes in the Western Cape, South Africa. Biological Conservation, 164: 30-38.
Chalmandrier L, Midgley GF, Barnard P, Sirami C (2013) Effects of time since fire on birds in a plant biodiversity hotspot. Acta Oecologica, 49: 99-106.
Mills AJ, Birch SC, Stanway R, Huyser O, Chisholm RA, Sirami C, Spear D (2013) Sequestering carbon and restoring renosterveld through fallowing: a practical conservation approach for the Overberg, Cape Floristic Region, South Africa. Conservation Letters.
Mills AJ, Milewski AV, Fey MV, Gröngröft A, Petersen A, Sirami C (2013) Constraint on woody cover in relation to nutrient content of soils in western southern Africa. Oikos, 122: 136-148.
Mills AJ, Milewski AV, Sirami C, Rogers KH, Witkowski ETF, Stalmans M, Fey MV (2012) Aerosol capture by indigenous trees adjacent to grasslands in interior South Africa. Geoderma, 189-190: 124-132
Sirami C, Monadjem, A (2012) Long-term changes in vegetation and bird communities in southern African savannas. Diversity and Distributions, 18: 390-400.
Hockey PAR, Sirami C, Ridley AR, Salata HAB, Midgley GF (2011) Do short-term range changes of South African birds conform to medium-term predictions based on Bioclimatic Envelope Models? Diversity and Distributions, 17: 254-261.
Sirami C, Brotons L, Martin J-L (2011) Woodlark’s (Lullula arborea) response to landscape heterogeneity created by land abandonment. Bird Study, 58: 99-106.
Fahrig L, Baudry J, Brotons L, Burel FG, Crist TO, Fuller RJ, Sirami C, Siriwardena G, Martin J-L (2011) Functional landscape heterogeneity and animal biodiversity in agricultural landscapes. Ecology Letters 14: 100–111.
Sirami C, Nespoulous A, Cheylan J-P, Marty P, Hyenegaard GT, Geniez P, Schatz B, Martin J-L (2010) Long-term social and ecological dynamics of a Mediterranean landscape: impacts on biodiversity. Landscape and Urban Planning, 96: 214-223.
Amparo Caula S, Sirami C, Marty P, Martin JL (2010) Value of a Mediterranean urban habitat for the native avifauna. Urban Ecosystems, 13: 73-89.
Sirami C, Seymour C, Midgley G, Barnard P (2009) The impact of shrub encroachment on savanna bird diversity from local to regional scale. Diversity and Distributions, 15: 948-957.
Sirami C, Brotons L, Martin J-L (2009) Do bird spatial distribution patterns reflect population trends in changing landscapes? Landscape Ecology, 24:893-906.
Sirami C, Brotons L, Martin J-L (2008) Spatial extent of bird species response to landscape changes: colonisation/extinction dynamics at the community-level in two contrasting habitats. Ecography 31: 509-518.
Sirami C, Brotons L, Burfield I, Fonderflick J, Martin J-L (2008) Is land abandonment having an impact on biodiversity? A meta-analytical approach to bird distribution changes in the north-western Mediterranean. Biological Conservation, 141: 450-459.
Sirami C, Jay-Robert P, Brustel H, Valladares L, Le Guilloux S, Martin J-L (2008) Saproxylic beetle assemblages of old Holm-oak trees in the Mediterranean region: role of a keystone structure in a changing heterogeneous landscape. Revue d’Ecologie, suppl. 10: 101-114.
Gonzalo-Turpin H, Sirami C, Brotons L, Gonzalo L, Martin J-L (2008) Teasing out biological effects and sampling artefacts when using occupancy rate in monitoring programs. Journal of Field Ornithology 79: 159-169.
Sirami C, Brotons L, Martin J-L (2007) Vegetation and songbird response to land abandonment: from landscape to census-plot. Diversity and Distributions 13:42-52.
Animation DPB
A venir
Passé
2013
- 3 decembre 2013: Soutenance de thèse Soizic LE-SAOUT
- 16 au 18 octobre 2013: Journées scientifiques DPB programme scientifique (Mas de Luzière, Saint-André-de-Buèges).
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Vendredi 23 aout 2013: Présentation Sophie Padie - How to use open habitats under hunting activity ? A roe deer point of view. (Répetition pour un talk à Bruxelles dans le cadre de l’International Union of Game Biologists): 11-12h (Petite salle de réunion).
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Jeudi 20 juin 2013: Journée d'Equipe DPB: Grotte des Demoiselles (St Bauzille de Putois)
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Lundi 17 juin 2013: Présentation Elie GAGET - Quelle pyrodiversité pour quelle biodiversité ? Un test à partir de plusieurs groupes taxonomiques dans les savanes d’Afrique du Sud. (Répetition soutenance stage M2) - 16h - 17h (Petite salle de réunion).
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Vendredi 14 juin 2013: Présentation Laura Pinillos - The shifting baseline of the diversity and abundance of marine mammals in South America and the Caribbean. (Répetition soutenance stage M2) - 11h - 12h (Petite salle de réunion).
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Mercredi 12 juin 2013: Présentation Anne-Sophie BONNET-LEBRUN - The temporal dynamics of phylogenetic tree shape in neutral community models (Répetition soutenance stage M2) - 14h30 - 15h30 (Petite salle de réunion).
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Mardi 16 avril 2013: Visite guidée au Térrain d'Expériences du CEFE.
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Jeudi 11 avril 2013: Présentation Sophie Monsarrat - Impact of past Human exploitation on the global pattern of marine mammal distribution - 11h (Grande salle de réunion)
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Vendredi 22 février 2013: Journées scientifiques DGSE - 9h00 à 17h00 (salle des conseils de l'UM3) - Programme
2012
- Mercredi 5 décembre 2012 : Soutenance de thèse Simon Chollet - Conséquences de l'effet de cerf et potentialités de restauration. Regard croisé de l'écologie fonctionnelle et de la biologie de la conservation. - 14h00 (Amphi 5.05, UM2)
- Du mercredi 28 au vendredi 30 novembre 2012: Journées équipe DPB - programme scientifique (Mas de Luzière, Saint-André-de-Buèges).
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Vendredi 23 novembre 2012: Réunion Equipe DPB/Direction - 9h30 - 12h30 (Petite salle de réunion)
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Vendredi 29 septembre 2012: Présentation Jorge Palmeirim - Research with conservation in mind: examples with Mediterranean bats - 14h00 (Grande Salle)
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Jeudi 12 juillet 2012: Présentation Sophie Monsarrat - Préparation de la réunion du comité de thése - 13h30 (Petite salle de réunion)
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Jeudi 05 juillet 2012: Présentation Marius Somveille - The macroecology of bird migration: the patterns - 13h30 (Petite salle de réunion)
- Vendredi 15 juin 2012: Répetitions soutenances stages M2
- 9h - 10h (Grande Salle): Leo Grasset - Variations inter et intra-individuelles de réponse à la prédation : la vigilance chez le zèbre des plaines (Equus quagga)
- 13h - 14h (Petite Salle): Isabelle Marécheaux - From thinking globally to acting locally: how to make the best use of available data in identifying priorities for biodiversity conservation?
- 14h - 15h (Petite Salle): Fanny Gascuel - Modelling biodiversity patterns on insular systems
- 15h - 16h (Petite Salle): Livio Casella Colombeau - Tendances des populations oiseaux nicheurs rares vs. communs en France depuis 20 ans : quels résultats, pour quelles politiques publiques ?
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Jeudi 14 juin 2012: Journée d'Equipe DPB: canoe (St Bauzille de Putois)
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Mardi 28 et mercredi 29 Février 2012: Journées scientifiques DGSE (CEFE + UM3)
2011
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Jeudi 19 mai 2011: Journée d'Equipe DPB: canoe (St Bauzille de Putois)
MORSE: About
Management of Ocean Resources under Shifting Expectations:
bringing the historical perspective into marine mammal conservation
The project page has moved! Please visit our new site here.
MORSE: Participate
Management of Ocean Resources under Shifting Expectations:
bringing the historical perspective into marine mammal conservation
| ABOUT | OBJECTIVES | PARTNERS | PARTICIPATE | JOBS/STUDENT PROJECTS |
Participate in the MORSE Project!
The MORSE project aims to understand the extent to which humans have changed the distribution and abundance of marine mammals at the global scale.
We are looking for historical and pre-historical records of presence/abundance of marine mammals through fossils data, historical accounts, whaling/sealing records from 10 000 BP—1950 AD. These records may come from archeological data, historical accounts, or commercial whaling/sealing data.
For the purpose of this study, we need records identified to species-level and with a good certainty regarding location and the time period. If you have any such records, please complete the online form, or contact us by
Thank you!
Walrus image ( Jón Guðmundsson Lærði, On the diversity of Iceland’s Natures, 1690).
We are particulalry interested in the following species:
Gray Whale in the Atlantic
North Atlantic Right Whale
Mediterranean Monk Seal
Japanese Sea Lion
Sea Mink
...
MORSE is a three-year project (2011-2014) funded by the French National Research Agency (Agence Nationale de la Recherche, ANR), under the 2011 call "Changements Environnementaux Planétaires et Sociétés" (CEP&S 2011).
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Marius SOMVEILLE
Ancien membre de l'équipe DPB - cette page n'est plus maintenue
(date de dernière mise à jour: 05/11/2015)
Doctorant
Evolutionary Ecology Group
Department of Zoology
University of Cambridge
Downing Street, Cambridge, CB2 3EJ
United Kingdom
et
CEFE/CNRS
Campus du CNRS
1919, route de Mende
34293 Montpellier cedex 5
Email:
Directeurs de Thèse : Andrea Manica (University of Cambridge) et Ana Rodrigues (CEFE)
Etablissement d’inscription : University of Cambridge, UK
Projet : The global ecology of bird migration: patterns and processes.
Thesis Summary:
Nearly twenty percent of bird species are migratory, their seasonal movements causing a redistribution of bird diversity that radically changes avian community composition worldwide. And yet, bird migration has been largely ignored in studies of global avian biodiversity. This thesis is the first macroecological study of the global bird migration system, using the global patterns of migratory bird diversity to test hypotheses for the ecological processes driving bird distributions in space and time.
Using a dataset on the geographical distributions of the world’s birds, in chapter two I start by mapping global diversity patterns associated with bird migration. Despite their great biological and ecological diversity, strong spatial patterns emerge when all migratory species are pooled together. In chapters three to five I test hypotheses for the ecological patterns underpinning these processes. In chapter three, results of correlative statistical models strongly indicate that migratory birds move to their breeding grounds to exploit a seasonal surplus in energy and resources, and then redistribute to the nearest suitable non-breeding grounds. In chapter four, I find that, underneath their great diversity of breeding and nonbreeding destinations, migratory birds appear to follow a common strategy of tracking their climatic niche year-round, within a broader trade-off between the costs of migration and the benefits of better access to resources. From the results of these statistical correlative analyses, I develop in chapter five a global spatially-explicit, process-based, mechanistic model of the global bird migration system. Building from first principles (to account for the energy use by species across the year and including key ecological and biological processes), this model successfully explains the diversity patterns of migratory bird diversity quantified in chapter two.
Overall, this thesis work advances understanding of the mechanisms driving bird migration worldwide, shedding light into one of Nature’s most fascinating phenomenon.
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