RAZAFINDRATSIMA LAB
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Fall 2022 highlights

12/19/2022

 
As we're toward the end of the fall semester, looking back to how this semester turned out, we're happy to share some highlights ... There were some challenges, ups and downs, but overall it was productive..

Awards

  • Vero was awarded a Black and Indigenous Scholars Award from the American Society of Mammalogists and a renewal of the Train Faculty Fellowship from WWF
  • Nancia and Vero were awarded the grant “Lemur Fund” from Re:wild to support their research on lemur ecology in Madagascar’s rainforests

Publications

  • Anaid & colleagues documented the birth of an infant black-howler monkey in this paper published in Primates (Don't forget to check out the video in the supplementary information! 
  • One of Nancia’s PhD chapter, investigating the robustness of plant-frugivore interaction network in a fragmented rainforest landscape, is published in the journal Conservation Biology.  ​
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A newborn howler monkey with its mama. Photo by Anaid Cardenas Navarrete
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Graphical abstract of our recent paper in Ecology and Evolution.
  • A team led by Vero recently reported an unprecedented discovery of arboreal mouse lemurs sleeping in a burrow on the ground in the rainforest of Ranomafana, published in the journal Ecology and Evolution
  • We reviewed current knowledge about frugivory and seed dispersal in Madagascar in the book The New Natural History of Madagascar. 

Others

  • Anaid passed her Qualifying Exam in December and is now a doctoral candidate
  • Hasina defended her Master's at the University of Antananarivo in November and then participated in a training on designing a research project in Kenya offered by the Tropical Biology Association
  • Hasina & Onja are wrapping up this month their participation in the program Global STEM Field Assistant by National Geographic Society but will continue collaborating.
  • Rindra was selected to participate in the iDiv Summer School in Leipzig, Germany in August to develop skills in molecular evolutionary biology in Biodiversity
  • We were happy to have Dr. Seheno Andriantsaralaza (University of Antananarivo) and Dr Denise Spaan (University of Veracruz) join us as Visiting Scholars this semester. We enjoyed the intellectual exchanges and looking forward for future collaborations.
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Representative sample of the Razafindratsima lab, Fall 2023 at the lab's holiday party, celebrating our diversity with a diversity of food from different countries/regions. From left to right: Jade Tonos, Jessica Stubbs, Anaid Cardenas Navarrete, Kat Culbertson, Vero Ramananjato & Onja Razafindratsima.

Back from the field ...

8/31/2022

 
Some happy news to share from the past few months:
1) Awards:
  • Anaid was awarded a Latin American Student Field Research Award and a Primatological Conservation Inc grant.
  • Nancia received an Ikala STEM Small Grants for Research. 
  • Both Rindra & Nancia were awarded a Duke Lemur Center’s Field Improvement Grant for Malagasy Students.
  • Vero was selected as a Philomathia Graduate Fellow in Environmental Sciences and a Rocca Fellow.

2) Publications:
  • Kat and her colleagues published a paper in Biotropica about the challenges of forest restoration in Madagascar 
  • Onja & colleagues published a set of principles and practical suggestions for equitable fieldwork in biology, an article about the future of sub-Saharan Africa’s biodiversity in the face of climate and societal change, and about potential of social media to promote primate conservation at the local level (this last one co-authored with Nancia & Vero)
  • Anaid & colleagues published a paper about the global importance of Indigenous Peoples, their lands, and knowledge systems for saving the world’s primates from extinction

3) We recently came back from successful fieldwork. You may look at some of our field pictures here and read about Jade's most recent field update here. More updates soon.. 

New paper: Individual-based frugivore-plant network

9/15/2021

 
We have a new paper in Oikos examining how space and variation between individual plants affect movement and visitation by frugivores foraging on individual fruiting plants. 
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Graphical abstract from Tonos et al. Oikos 2021

New paper: Seed dispersal limitation in forest edge habitats

9/15/2021

 
We have a new paper in the Frontiers of Ecology and Evolution investigating how differences between frugivore communities at the forest edge and interior habitats of a diverse tropical rainforest relate to patterns of animal-mediated seed dispersal and early seedling recruitment.
Main findings:
  • Lemur communities across the forest edge-interior gradient in this system showed the highest species richness and variability in body sizes at intermediate distances; the community of birds showed the opposite pattern for species richness.
  • Three large-bodied frugivores, known to be effective dispersers of large seeds, tended to avoid the forest edge.
  • The forest edges received a lower rate of animal-mediated seed dispersal compared to the interior habitats. 
  • The seeds that were actively dispersed by animals in forest edge habitats were smaller in size than seeds dispersed in the forest interior. This pattern was found despite a similarity in seed size of seasonally fruiting adult trees and shrubs between the two habitats.
  • Despite these differences in dispersal patterns, we did not observe any differences in the rates of seedling recruitment or seed-size distribution of successful recruit species. 
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Forest edge in Ihofa Forest, Madagascar. Photo by O. Razafindratsima

Open Access costs for African Scholars

8/10/2021

 
We have a new paper in Nature Correspondence discussing the dilemma of African scholars regarding publishing open access.  
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Forests, trees & poverty alleviation

8/9/2021

 
We have a new paper in Forest Policy and Economics addressing the "need for greater integration of forests and trees in development policy" 
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New paper: Mouse lemur microhabitat use

8/4/2021

 
We have a new paper in the International Journal of Primatology investigating several aspects of the microhabitat structure that the rufous mouse lemur (Microcebus rufus) might prefer and examining how this structural preference varies across a heterogeneous landscape of forests with different disturbance levels.
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A mouse lemur in the rainforest of Ranomafana National Park. Picture courtesy of Vero Ramananjato.

Research frontiers on forest-poverty dynamics

7/20/2021

 
We have a new paper in Forest Policy and Economics highlighting "five research priorities that require urgent attention if policy makers and practitioners were to realize the potential for forests and tree-based systems to contribute to poverty alleviation"
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  • Home
  • Research
    • Research Overview
    • Roles & impacts of vertebrates
    • Community structure
    • Orphan plants
    • Ecological changes
    • Plant galls & Lemurs
  • Publications
    • Scientific Articles
    • Opinion pieces & Editorial articles
    • Published data
  • People
    • PI Razafindratsima
    • Postdocs & Students >
      • @ Cal
      • Affiliates
    • Past lab members & visitors
    • Field teams
  • Field updates
  • Outreach
  • Join Us
  • Useful Links
    • Fellowship resources
    • Research in Madagascar
  • Group news
  • Adventures