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Author Peguero, G.; Sardans, J.; Asensio, D.; Fernández-Martínez, M.; Gargallo-Garriga, A.; Grau, O.; Llusià, J.; Margalef, O.; Márquez, L.; Ogaya, R.; Urbina, I.; Courtois, E.A.; Stahl, C.; Van Langenhove, L.; Verryckt, L.T.; Richter, A.; Janssens, I.A.; Peñuelas, J. url  doi
openurl 
  Title Nutrient scarcity strengthens soil fauna control over leaf litter decomposition in tropical rainforests Type Journal Article
  Year 2019 Publication Proceedings. Biological sciences Abbreviated Journal Proc. Biol. Sci.  
  Volume 286 Issue 1910 Pages (down) 20191300  
  Keywords biogeochemistry; extracellular enzyme activity; litter decomposition; nutrients; soil fauna  
  Abstract Soil fauna is a key control of the decomposition rate of leaf litter, yet its interactions with litter quality and the soil environment remain elusive. We conducted a litter decomposition experiment across different topographic levels within the landscape replicated in two rainforest sites providing natural gradients in soil fertility to test the hypothesis that low nutrient availability in litter and soil increases the strength of fauna control over litter decomposition. We crossed these data with a large dataset of 44 variables characterizing the biotic and abiotic microenvironment of each sampling point and found that microbe-driven carbon (C) and nitrogen (N) losses from leaf litter were 10.1 and 17.9% lower, respectively, in the nutrient-poorest site, but this among-site difference was equalized when meso- and macrofauna had access to the litterbags. Further, on average, soil fauna enhanced the rate of litter decomposition by 22.6%, and this contribution consistently increased as nutrient availability in the microenvironment declined. Our results indicate that nutrient scarcity increases the importance of soil fauna on C and N cycling in tropical rainforests. Further, soil fauna is able to equalize differences in microbial decomposition potential, thus buffering to a remarkable extent nutrient shortages at an ecosystem level.  
  Address Department of Microbiology and Ecosystem Science, University of Vienna, Vienna, 1090, Austria  
  Corporate Author Thesis  
  Publisher NLM (Medline) Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 14712954 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 884  
Permanent link to this record
 
 
Author Hofman, M.P.; Hayward, M.W.; Heim, M.; Marchand, P.; Rolandsen, C.M.; Mattisson, J.; Urbano, F.; Heurich, M.; Mysterud, A.; Melzheimer, J.; Morellet, N.; Voigt, U.; Allen, B.L.; Gehr, B.; Rouco, C.; Ullmann, W.; Holand, Ø.; Jørgensen, N.H.; Steinheim, G.; Cagnacci, F.; Kroeschel, M.; Kaczensky, P.; Buuveibaatar, B.; Payne, J.C.; Palmegiani, I.; Jerina, K.; Kjellander, P.; Johansson, Ö.; LaPoint, S.; Bayrakcismith, R.; Linnell, J.D.C.; Zaccaroni, M.; Jorge, M.L.S.; Oshima, J.E.F.; Songhurst, A.; Fischer, C.; Mc Bride, R.T., Jr.; Thompson, J.J.; Streif, S.; Sandfort, R.; Bonenfant, C.; Drouilly, M.; Klapproth, M.; Zinner, D.; Yarnell, R.; Stronza, A.; Wilmott, L.; Meisingset, E.; Thaker, M.; Vanak, A.T.; Nicoloso, S.; Graeber, R.; Said, S.; Boudreau, M.R.; Devlin, A.; Hoogesteijn, R.; May-Junior, J.A.; Nifong, J.C.; Odden, J.; Quigley, H.B.; Tortato, F.; Parker, D.M.; Caso, A.; Perrine, J.; Tellaeche, C.; Zieba, F.; Zwijacz-Kozica, T.; Appel, C.L.; Axsom, I.; Bean, W.T.; Cristescu, B.; Périquet, S.; Teichman, K.J.; Karpanty, S.; Licoppe, A.; Menges, V.; Black, K.; Scheppers, T.L.; Schai-Braun, S.C.; Azevedo, F.C.; Lemos, F.G.; Payne, A.; Swanepoel, L.H.; Weckworth, B.V.; Berger, A.; Bertassoni, A.; McCulloch, G.; Sustr, P.; Athreya, V.; Bockmuhl, D.; Casaer, J.; Ekori, A.; Melovski, D.; Richard-Hansen, C.; Van De Vyver, D.; Reyna-Hurtado, R.; Robardet, E.; Selva, N.; Sergiel, A.; Farhadinia, M.S.; Sunde, P.; Portas, R.; Ambarli, H.; Berzins, R.; Kappeler, P.M.; Mann, G.K.; Pyritz, L.; Bissett, C.; Grant, T.; Steinmetz, R.; Swedell, L.; Welch, R.J.; Armenteras, D.; Bidder, O.R.; González, T.M.; Rosenblatt, A.; Kachel, S.; Balkenhol, N. pdf  doi
openurl 
  Title Right on track? Performance of satellite telemetry in terrestrial wildlife research Type Journal Article
  Year 2019 Publication PLoS One Abbreviated Journal  
  Volume 14 Issue 5 Pages (down) e0216223  
  Keywords article; nonhuman; telemetry; terrestrial species; wildlife  
  Abstract Satellite telemetry is an increasingly utilized technology in wildlife research, and current devices can track individual animal movements at unprecedented spatial and temporal resolutions. However, as we enter the golden age of satellite telemetry, we need an in-depth understanding of the main technological, species-specific and environmental factors that determine the success and failure of satellite tracking devices across species and habitats. Here, we assess the relative influence of such factors on the ability of satellite telemetry units to provide the expected amount and quality of data by analyzing data from over 3,000 devices deployed on 62 terrestrial species in 167 projects worldwide. We evaluate the success rate in obtaining GPS fixes as well as in transferring these fixes to the user and we evaluate failure rates. Average fix success and data transfer rates were high and were generally better predicted by species and unit characteristics, while environmental characteristics influenced the variability of performance. However, 48% of the unit deployments ended prematurely, half of them due to technical failure. Nonetheless, this study shows that the performance of satellite telemetry applications has shown improvements over time, and based on our findings, we provide further recommendations for both users and manufacturers.  
  Address South African National Parks, Scientific Services, Kimberley, South Africa  
  Corporate Author Thesis  
  Publisher Public Library of Science Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 19326203 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 874  
Permanent link to this record
 
 
Author Piponiot, C.; Rutishauser, E.; Derroire, G.; Putz, F.E.; Sist, P.; West, T.A.P.; Descroix, L.; Guedes, M.C.; Coronado, E.N.H.; Kanashiro, M.; Mazzei, L.; d’Oliveira, M.V.N.; Peña-Claros, M.; Rodney, K.; Ruschel, A.R.; Souza, C.R. de; Vidal, E.; Wortel, V.; Hérault, B. pdf  doi
openurl 
  Title Optimal strategies for ecosystem services provision in Amazonian production forests Type Journal Article
  Year 2019 Publication Environmental Research Letters Abbreviated Journal  
  Volume 14 Issue 12 Pages (down) 124090  
  Keywords  
  Abstract Although tropical forests harbour most of the terrestrial carbon and biological diversity on Earth they continue to be deforested or degraded at high rates. In Amazonia, the largest tropical forest on Earth, a sixth of the remaining natural forests is formally dedicated to timber extraction through selective logging. Reconciling timber extraction with the provision of other ecosystem services (ES) remains a major challenge for forest managers and policy-makers. This study applies a spatial optimisation of logging in Amazonian production forests to analyse potential trade-offs between timber extraction and recovery, carbon storage, and biodiversity conservation. Current logging regulations with unique cutting cycles result in sub-optimal ES-use efficiency. Long-term timber provision would require the adoption of a land-sharing strategy that involves extensive low-intensity logging, although high transport and road-building costs might make this approach economically unattractive. By contrast, retention of carbon and biodiversity would be enhanced by a land-sparing strategy restricting high-intensive logging to designated areas such as the outer fringes of the region. Depending on management goals and societal demands, either choice will substantially influence the future of Amazonian forests. Overall, our results highlight the need for revaluation of current logging regulations and regional cooperation among Amazonian countries to enhance coherent and trans-boundary forest management.  
  Address  
  Corporate Author Thesis  
  Publisher IOP Publishing Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1748-9326 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 910  
Permanent link to this record
 
 
Author Piponiot, C.; Rödig, E.; Putz, F.E.; Rutishauser, E.; Sist, P.; Ascarrunz, N.; Blanc, L.; Derroire, G.; Descroix, L.; Guedes, M.C.; Coronado, E.H.; Huth, A.; Kanashiro, M.; Licona, J.C.; Mazzei, L.; d’Oliveira, M.V.N.; Peña-Claros, M.; Rodney, K.; Shenkin, A.; de Souza, C.R.; Vidal, E.; West, T.A.P.; Wortel, V.; Herault, B. pdf  doi
openurl 
  Title Can timber provision from Amazonian production forests be sustainable? Type Journal Article
  Year 2019 Publication Environmental Research Letters Abbreviated Journal Environmental Research Letters  
  Volume 14 Issue 6 Pages (down) 064014  
  Keywords  
  Abstract Around 30 Mm3 of sawlogs are extracted annually by selective logging of natural production forests in Amazonia, Earth’s most extensive tropical forest. Decisions concerning the management of these production forests will be of major importance for Amazonian forests’ fate. To date, no regional assessment of selective logging sustainability supports decision-making. Based on data from 3500 ha of forest inventory plots, our modelling results show that the average periodic harvests of 20 m3 ha−1 will not recover by the end of a standard 30 year cutting cycle. Timber recovery within a cutting cycle is enhanced by commercial acceptance of more species and with the adoption of longer cutting cycles and lower logging intensities. Recovery rates are faster in Western Amazonia than on the Guiana Shield. Our simulations suggest that regardless of cutting cycle duration and logging intensities, selectively logged forests are unlikely to meet timber demands over the long term as timber stocks are predicted to steadily decline. There is thus an urgent need to develop an integrated forest resource management policy that combines active management of production forests with the restoration of degraded and secondary forests for timber production. Without better management, reduced timber harvests and continued timber production declines are unavoidable.  
  Address  
  Corporate Author Thesis  
  Publisher IOP Publishing Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1748-9326 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 875  
Permanent link to this record
 
 
Author Ter Steege, H.; Henkel, T.W.; Helal, N.; Marimon, B.S.; Marimon-Junior, B.H.; Huth, A.; Groeneveld, J.; Sabatier, D.; Coelho, L.S.; Filho, D.A.L.; Salomão, R.P.; Amaral, I.L.; Matos, F.D.A.; Castilho, C.V.; Phillips, O.L.; Guevara, J.E.; Carim, M.J.V.; Cárdenas López, D.; Magnusson, W.E.; Wittmann, F.; Irume, M.V.; Martins, M.P.; Guimarães, J.R.D.S.; Molino, J.-F.; Bánki, O.S.; Piedade, M.T.F.; Pitman, N.C.A.; Mendoza, A.M.; Ramos, J.F.; Luize, B.G.; Moraes de Leão Novo, E.M.; Núñez Vargas, P.; Silva, T.S.F.; Venticinque, E.M.; Manzatto, A.G.; Reis, N.F.C.; Terborgh, J.; Casula, K.R.; Honorio Coronado, E.N.; Montero, J.C.; Feldpausch, T.R.; Duque, A.; Costa, F.R.C.; Arboleda, N.C.; Schöngart, J.; Killeen, T.J.; Vasquez, R.; Mostacedo, B.; Demarchi, L.O.; Assis, R.L.; Baraloto, C.; Engel, J.; Petronelli, P.; Castellanos, H.; de Medeiros, M.B.; Quaresma, A.; Simon, M.F.; Andrade, A.; Camargo, J.L.; Laurance, S.G.W.; Laurance, W.F.; Rincón, L.M.; Schietti, J.; Sousa, T.R.; de Sousa Farias, E.; Lopes, M.A.; Magalhães, J.L.L.; Mendonça Nascimento, H.E.; Lima de Queiroz, H.; Aymard C, G.A.; Brienen, R.; Revilla, J.D.C.; Vieira, I.C.G.; Cintra, B.B.L.; Stevenson, P.R.; Feitosa, Y.O.; Duivenvoorden, J.F.; Mogollón, H.F.; Araujo-Murakami, A.; Ferreira, L.V.; Lozada, J.R.; Comiskey, J.A.; de Toledo, J.J.; Damasco, G.; Dávila, N.; Draper, F.; García-Villacorta, R.; Lopes, A.; Vicentini, A.; Alonso, A.; Dallmeier, F.; Gomes, V.H.F.; Lloyd, J.; Neill, D.; de Aguiar, D.P.P.; Arroyo, L.; Carvalho, F.A.; de Souza, F.C.; do Amaral, D.D.; Feeley, K.J.; Gribel, R.; Pansonato, M.P.; Barlow, J.; Berenguer, E.; Ferreira, J.; Fine, P.V.A.; Guedes, M.C.; Jimenez, E.M.; Licona, J.C.; Peñuela Mora, M.C.; Villa, B.; Cerón, C.; Maas, P.; Silveira, M.; Stropp, J.; Thomas, R.; Baker, T.R.; Daly, D.; Dexter, K.G.; Huamantupa-Chuquimaco, I.; Milliken, W.; Pennington, T.; Ríos Paredes, M.; Fuentes, A.; Klitgaard, B.; Pena, J.L.M.; Peres, C.A.; Silman, M.R.; Tello, J.S.; Chave, J.; Cornejo Valverde, F.; Di Fiore, A.; Hilário, R.R.; Phillips, J.F.; Rivas-Torres, G.; van Andel, T.R.; von Hildebrand, P.; Noronha, J.C.; Barbosa, E.M.; Barbosa, F.R.; de Matos Bonates, L.C.; Carpanedo, R.S.; Dávila Doza, H.P.; Fonty, É.; GómeZárate Z, R.; Gonzales, T.; Gallardo Gonzales, G.P.; Hoffman, B.; Junqueira, A.B.; Malhi, Y.; Miranda, I.P.A.; Pinto, L.F.M.; Prieto, A.; Rodrigues, D.J.; Rudas, A.; Ruschel, A.R.; Silva, N.; Vela, C.I.A.; Vos, V.A.; Zent, E.L.; Zent, S.; Weiss Albuquerque, B.; Cano, A.; Carrero Márquez, Y.A.; Correa, D.F.; Costa, J.B.P.; Flores, B.M.; Galbraith, D.; Holmgren, M.; Kalamandeen, M.; Nascimento, M.T.; Oliveira, A.A.; Ramirez-Angulo, H.; Rocha, M.; Scudeller, V.V.; Sierra, R.; Tirado, M.; Umaña Medina, M.N.; van der Heijden, G.; Vilanova Torre, E.; Vriesendorp, C.; Wang, O.; Young, K.R.; Ahuite Reategui, M.A.; Baider, C.; Balslev, H.; Cárdenas, S.; Casas, L.F.; Farfan-Rios, W.; Ferreira, C.; Linares-Palomino, R.; Mendoza, C.; Mesones, I.; Torres-Lezama, A.; Giraldo, L.E.U.; Villarroel, D.; Zagt, R.; Alexiades, M.N.; de Oliveira, E.A.; Garcia-Cabrera, K.; Hernandez, L.; Palacios Cuenca, W.; Pansini, S.; Pauletto, D.; Ramirez Arevalo, F.; Sampaio, A.F.; Sandoval, E.H.V.; Valenzuela Gamarra, L.; Levesley, A.; Pickavance, G.; Melgaço, K. pdf  url
doi  openurl
  Title Rarity of monodominance in hyperdiverse Amazonian forests Type Journal Article
  Year 2019 Publication Scientific reports Abbreviated Journal Scientific reports  
  Volume 9 Issue 1 Pages (down) 13822  
  Keywords  
  Abstract Tropical forests are known for their high diversity. Yet, forest patches do occur in the tropics where a single tree species is dominant. Such “monodominant” forests are known from all of the main tropical regions. For Amazonia, we sampled the occurrence of monodominance in a massive, basin-wide database of forest-inventory plots from the Amazon Tree Diversity Network (ATDN). Utilizing a simple defining metric of at least half of the trees over 10cm diameter belonging to one species, we found only a few occurrences of monodominance in Amazonia, and the phenomenon was not significantly linked to previously hypothesized life history traits such wood density, seed mass, ectomycorrhizal associations, or Rhizobium nodulation. In our analysis, coppicing (the formation of sprouts at the base of the tree or on roots) was the only trait significantly linked to monodominance. While at specific locales coppicing or ectomycorrhizal associations may confer a considerable advantage to a tree species and lead to its monodominance, very few species have these traits. Mining of the ATDN dataset suggests that monodominance is quite rare in Amazonia, and may be linked primarily to edaphic factors.  
  Address Department of Biology, University of Missouri, St. Louis, MO, 63121, USA  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Export Date: 7 October 2019 Approved no  
  Call Number EcoFoG @ webmaster @ Serial 887  
Permanent link to this record
 
 
Author Vleminckx, J.; Schimann, H.; Decaëns, T.; Fichaux, M.; Vedel, V.; Jaouen, G.; Roy, M.; Lapied, E.; Engel, J.; Dourdain, A.; Petronelli, P.; Orivel, J.; Baraloto, C. pdf  doi
openurl 
  Title Coordinated community structure among trees, fungi and invertebrate groups in Amazonian rainforests Type Journal Article
  Year 2019 Publication Scientific Reports Abbreviated Journal Sci. Rep.  
  Volume 9 Issue Pages (down) 11337  
  Keywords  
  Abstract Little is known regarding how trophic interactions shape community assembly in tropical forests. Here we assess multi-taxonomic community assembly rules using a rare standardized coordinated inventory comprising exhaustive surveys of five highly-diverse taxonomic groups exerting key ecological functions: trees, fungi, earthworms, ants and spiders. We sampled 36 1.9-ha plots from four remote locations in French Guiana including precise soil measurements, and we tested whether species turnover was coordinated among groups across geographic and edaphic gradients. All species group pairs exhibited significant compositional associations that were independent from soil conditions. For some of the pairs, associations were also partly explained by soil properties, especially soil phosphorus availability. Our study provides evidence for coordinated turnover among taxonomic groups beyond simple relationships with environmental factors, thereby refining our understanding regarding the nature of interactions occurring among these ecologically important groups. © 2019, The Author(s).  
  Address CIRAD, UMR Ecologie des Forêts de Guyane, Campus agronomique, BP 316, Kourou Cedex, 97379, France  
  Corporate Author Thesis  
  Publisher Nature Publishing Group Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 20452322 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 879  
Permanent link to this record
 
 
Author Aubry-Kientz, M.; Rossi, V.; Cornu, G.; Wagner, F.; Herault, B. pdf  url
doi  openurl
  Title Temperature rising would slow down tropical forest dynamic in the Guiana Shield Type Journal Article
  Year 2019 Publication Scientific Reports Abbreviated Journal Sci. Rep.  
  Volume 9 Issue Pages (down) 10235  
  Keywords article; biomass; climate change; controlled study; diagnostic test accuracy study; driver; human; joint; mortality rate; precipitation; prediction; sensitivity analysis; simulation; statistics; tree growth; tropical rain forest; water stress  
  Abstract Increasing evidence shows that the functioning of the tropical forest biome is intimately related to the climate variability with some variables such as annual precipitation, temperature or seasonal water stress identified as key drivers of ecosystem dynamics. How tropical tree communities will respond to the future climate change is hard to predict primarily because several demographic processes act together to shape the forest ecosystem general behavior. To overcome this limitation, we used a joint individual-based model to simulate, over the next century, a tropical forest community experiencing the climate change expected in the Guiana Shield. The model is climate dependent: temperature, precipitation and water stress are used as predictors of the joint growth and mortality rates. We ran simulations for the next century using predictions of the IPCC 5AR, building three different climate scenarios (optimistic RCP2.6, intermediate, pessimistic RCP8.5) and a control (current climate). The basal area, above-ground fresh biomass, quadratic diameter, tree growth and mortality rates were then computed as summary statistics to characterize the resulting forest ecosystem. Whatever the scenario, all ecosystem process and structure variables exhibited decreasing values as compared to the control. A sensitivity analysis identified the temperature as the strongest climate driver of this behavior, highlighting a possible temperature-driven drop of 40% in average forest growth. This conclusion is alarming, as temperature rises have been consensually predicted by all climate scenarios of the IPCC 5AR. Our study highlights the potential slow-down danger that tropical forests will face in the Guiana Shield during the next century. © 2019, The Author(s).  
  Address Institut National Polytechnique Félix Houphouët-Boigny (INP-HB), Yamoussoukro, Cote d'Ivoire  
  Corporate Author Thesis  
  Publisher Nature Publishing Group Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 20452322 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 878  
Permanent link to this record
 
 
Author Hartke, J.; Sprenger, P.P.; Sahm, J.; Winterberg, H.; Orivel, J.; Baur, H.; Beuerle, T.; Schmitt, T.; Feldmeyer, B.; Menzel, F. pdf  url
doi  openurl
  Title Cuticular hydrocarbons as potential mediators of cryptic species divergence in a mutualistic ant association Type Journal Article
  Year 2019 Publication Ecology and Evolution Abbreviated Journal  
  Volume 9 Issue 16 Pages (down) 9160-9176  
  Keywords environmental association; integrative taxonomy; niche differentiation; population structure; sexual selection; speciation  
  Abstract Upon advances in sequencing techniques, more and more morphologically identical organisms are identified as cryptic species. Often, mutualistic interactions are proposed as drivers of diversification. Species of the neotropical parabiotic ant association between Crematogaster levior and Camponotus femoratus are known for highly diverse cuticular hydrocarbon (CHC) profiles, which in insects serve as desiccation barrier but also as communication cues. In the present study, we investigated the association of the ants’ CHC profiles with genotypes and morphological traits, and discovered cryptic species pairs in both genera. To assess putative niche differentiation between the cryptic species, we conducted an environmental association study that included various climate variables, canopy cover, and mutualistic plant species. Although mostly sympatric, the two Camponotus species seem to prefer different climate niches. However in the two Crematogaster species, we could not detect any differences in niche preference. The strong differentiation in the CHC profiles may thus suggest a possible role during speciation itself either by inducing assortative mating or by reinforcing sexual selection after the speciation event. We did not detect any further niche differences in the environmental parameters tested. Thus, it remains open how the cryptic species avoid competitive exclusion, with scope for further investigations. © 2019 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.  
  Address Department of Evolutionary Animal Ecology, University of Bayreuth, Bayreuth, Germany  
  Corporate Author Thesis  
  Publisher John Wiley and Sons Ltd Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 20457758 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Export Date: 2 September 2019; Correspondence Address: Hartke, J.; Senckenberg Biodiversity and Climate Research CentreGermany; email: Juliane.Hartke@senckenberg.de; Funding details: Leibniz-Gemeinschaft; Funding details: Agence Nationale de la Recherche, Not Available; Funding details: Deutsche Forschungsgemeinschaft, DFG, ME 3842/5‐1; Funding text 1: We thank Philippe Cerdan and Aurelie Dourdain for research permissions in the Hydreco Lab Petit Saut and the Paracou Research Station, respectively. Similarly, we thank Patrick Châtelet, Philippe Gaucher, and Dorothée Deslignes for permission to sample in the Les Nouragues Reserve. Further on, we thank Heike Stypa for supporting us in preparing the chemical samples. We thank Aidin Niamir for his helpful advice regarding climate data analysis. Financial support for this study was provided by the German Science Foundation (DFG) as a grant to Barbara Feldmeyer (FE 1333/7‐1), Thomas Schmitt (SCHM 2645/7‐1), and Florian Menzel (ME 3842/5‐1) and a grant managed by the French Agence Nationale de la Recherche (CEBA, ref. ANR‐10‐LABX‐25‐01) to Jérôme Orivel. The publication of this article was funded by the Open Access Fund of the Leibniz Association. 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Author Rodrigues, A.M.S.; Eparvier, V.; Odonne, G.; Amusant, N.; Stien, D.; Houël, E. pdf  url
doi  openurl
  Title The antifungal potential of (Z)-ligustilide and the protective effect of eugenol demonstrated by a chemometric approach Type Journal Article
  Year 2019 Publication Scientific Reports Abbreviated Journal Sci. Rep.  
  Volume 9 Issue Pages (down) 8729  
  Keywords  
  Abstract Mankind is on the verge of a postantibiotic era. New concepts are needed in our battle to attenuate infectious diseases around the world and broad spectrum plant-inspired synergistic pharmaceutical preparations should find their place in the global fight against pathogenic microorganisms. To progress towards the discovery of potent antifungal agents against human pathologies, we embarked upon developing chemometric approach coupled with statistical design to unravel the origin of the anticandidal potential of a set of 66 essential oils (EOs). EOs were analyzed by GC-MS and tested against Candida albicans and C. parapsilosis (Minimal Inhibitory Concentration, MIC). An Orthogonal Partial Least Square (OPLS) analysis allowed us to identify six molecules presumably responsible for the anticandidal activity of the oils: (Z)-ligustilide, eugenol, eugenyl acetate, citral, thymol, and β-citronellol. These compounds were combined following a full factorial experimental design approach in order to optimize the anticandidal activity and selectivity index (SI = IC50(MRC5 cells)/MIC) through reconstituted mixtures. (Z)-Ligustilide and citral were the most active compounds, while (Z)-ligustilide and eugenol were the two main factors that most contributed to the increase of the SI. These two terpenes can, therefore, be used to construct bioinspired synergistic anticandidal mixtures. © 2019, The Author(s).  
  Address CNRS, UMR EcoFoG, AgroParisTech, Cirad, INRA, Université des Antilles, Université de Guyane, Cayenne, 97300, France  
  Corporate Author Thesis  
  Publisher Nature Publishing Group Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 20452322 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 876  
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Author Caron, H.; Molino, J.-F.; Sabatier, D.; Léger, P.; Chaumeil, P.; Scotti-Saintagne, C.; Frigério, J.-M.; Scotti, I.; Franc, A.; Petit, R.J. pdf  url
doi  openurl
  Title Chloroplast DNA variation in a hyperdiverse tropical tree community Type Journal Article
  Year 2019 Publication Ecology and Evolution Abbreviated Journal Ecology and Evolution  
  Volume 9 Issue 8 Pages (down) 4897-4905  
  Keywords chloroplast DNA; DNA barcoding; genetic diversity; hybridization; incomplete lineage sorting; introgression; species diversity; tropical trees  
  Abstract We investigate chloroplast DNA variation in a hyperdiverse community of tropical rainforest trees in French Guiana, focusing on patterns of intraspecific and interspecific variation. We test whether a species genetic diversity is higher when it has congeners in the community with which it can exchange genes and if shared haplotypes are more frequent in genetically diverse species, as expected in the presence of introgression. We sampled a total of 1,681 individual trees from 472 species corresponding to 198 genera and sequenced them at a noncoding chloroplast DNA fragment. Polymorphism was more frequent in species that have congeneric species in the study site than in those without congeners (30% vs. 12%). Moreover, more chloroplast haplotypes were shared with congeners in polymorphic species than in monomorphic ones (44% vs. 28%). Despite large heterogeneities caused by genus-specific behaviors in patterns of hybridization, these results suggest that the higher polymorphism in the presence of congeners is caused by local introgression rather than by incomplete lineage sorting. Our findings suggest that introgression has the potential to drive intraspecific genetic diversity in species-rich tropical forests.  
  Address INRA, UR629 Ecologie des Forêts Méditerranéennes, URFM, Avignon, France  
  Corporate Author Thesis  
  Publisher John Wiley and Sons Ltd Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 20457758 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 870  
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