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Article ; Online: Functional forest restoration.

Guerrero-Ramírez, Nathaly R

Nature ecology & evolution

2021 Volume 5, Issue 12, Page(s) 1572–1573

MeSH term(s)	Forests ; Trees
Language	English
Publishing date	2021-11-04
Publishing country	England
Document type	Journal Article ; Comment
ISSN	2397-334X
ISSN (online)	2397-334X
DOI	10.1038/s41559-021-01575-0
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Island area and historical geomorphological dynamics shape multifaceted diversity of barrier island floras

Ferreira‐Arruda, Thalita / Guerrero‐Ramírez, Nathaly R. / Denelle, Pierre / Weigelt, Patrick / Kleyer, Michael / Kreft, Holger

Ecography. 2022 Aug., v. 2022, no. 8

2022

Abstract: The influence of island dynamics and characteristics on taxonomic diversity, particularly species richness, are well studied. Yet, our knowledge on the influence of island dynamics and characteristics on other facets of diversity, namely functional and ... ...

Abstract	The influence of island dynamics and characteristics on taxonomic diversity, particularly species richness, are well studied. Yet, our knowledge on the influence of island dynamics and characteristics on other facets of diversity, namely functional and phylogenetic diversity, is limited, constraining our understanding of assembly processes on islands (e.g. biogeographic history, dispersal and environmental filtering and species interactions). Using barrier islands, a highly dynamic and so far, understudied island type, we investigate how multiple facets of vascular plant diversity (functional, phylogenetic and taxonomic diversity) are shaped by island geomorphology, modern and historic area, and habitat heterogeneity. In line with our expectation, historical dynamics in island geomorphology affected phylogenetic and taxonomic diversity via habitat heterogeneity. However, island area was the best predictor across all facets of diversity. Specifically, larger islands had higher functional and phylogenetic diversity than expected by chance while most of the smaller islands had lower diversity. The influence of area on functional diversity acted via habitat heterogeneity, with habitat heterogeneity influencing negatively functional diversity. Our results suggest that larger islands accumulate functionally and phylogenetically unique species. Further, results for functional diversity pointed towards potential area–heterogeneity trade‐offs, with these trade‐offs likely resulting from increased interspecific competition favoring a specific set of trait values (of stronger competitors), particularly on smaller islands. Together, these results demonstrate that going beyond taxonomic diversity contributes to identifying underlying processes shaping diversity–area relationships.
Keywords	functional diversity ; geographical distribution ; habitats ; interspecific competition ; islands ; phylogeny ; species richness ; vascular plants
Language	English
Dates of publication	2022-08
Publishing place	Blackwell Publishing Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1112659-0
ISSN	0906-7590
ISSN	0906-7590
DOI	10.1111/ecog.06238
Database	NAL-Catalogue (AGRICOLA)

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Article: Diversity‐dependent plant–soil feedbacks underlie long‐term plant diversity effects on primary productivity

Guerrero‐Ramírez, Nathaly R / Reich, Peter B / Wagg, Cameron / Ciobanu, Marcel / Eisenhauer, Nico

Ecosphere. 2019 Apr., v. 10, no. 4

2019

Abstract: Although diversity‐dependent plant–soil feedbacks (PSFs) may contribute significantly to plant diversity effects on ecosystem functioning, the influences of underlying abiotic and biotic mechanistic pathways have been little explored to date. Here, we ... ...

Abstract	Although diversity‐dependent plant–soil feedbacks (PSFs) may contribute significantly to plant diversity effects on ecosystem functioning, the influences of underlying abiotic and biotic mechanistic pathways have been little explored to date. Here, we assessed such pathways with a PSF experiment using soil conditioned for ≥12 yr from two grassland biodiversity experiments. Model plant communities differing in plant species and functional group richness (current plant diversity treatment) were grown in soils conditioned by plant communities with either low‐ or high‐diversity (soil history treatment). Our results indicate that plant diversity can modify plant productivity through both diversity‐mediated plant–plant and plant–soil interactions, with the main driver (current plant diversity or soil history) differing with experimental context. Structural equation modeling suggests that the underlying mechanisms of PSFs were explained to a significant extent by both abiotic and biotic pathways (specifically, soil nitrogen availability and soil nematode richness). Thus, effects of plant diversity loss on plant productivity may persist or even increase over time because of biotic and abiotic soil legacy effects.
Keywords	grasslands ; models ; nitrogen ; plant communities ; primary productivity ; soil ; soil nematodes ; soil-plant interactions ; species diversity ; structural equation modeling
Language	English
Dates of publication	2019-04
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2572257-8
ISSN	2150-8925
ISSN	2150-8925
DOI	10.1002/ecs2.2704
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: The importance of trait selection in ecology.

Nature

2023 Volume 618, Issue 7967, Page(s) E29–E30

MeSH term(s)	Ecology
Language	English
Publishing date	2023-06-28
Publishing country	England
Document type	Letter ; Comment
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
DOI	10.1038/s41586-023-06148-8
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Article ; Online: Toward a coordinated understanding of hydro-biogeochemical root functions in tropical forests for application in vegetation models.

Cusack, Daniela F / Christoffersen, Bradley / Smith-Martin, Chris M / Andersen, Kelly M / Cordeiro, Amanda L / Fleischer, Katrin / Wright, S Joseph / Guerrero-Ramírez, Nathaly R / Lugli, Laynara F / McCulloch, Lindsay A / Sanchez-Julia, Mareli / Batterman, Sarah A / Dallstream, Caroline / Fortunel, Claire / Toro, Laura / Fuchslueger, Lucia / Wong, Michelle Y / Yaffar, Daniela / Fisher, Joshua B /

Arnaud, Marie / Dietterich, Lee H / Addo-Danso, Shalom D / Valverde-Barrantes, Oscar J / Weemstra, Monique / Ng, Jing Cheng / Norby, Richard J

The New phytologist

2024 Volume 242, Issue 2, Page(s) 351–371

Abstract: Tropical forest root characteristics and resource acquisition strategies are underrepresented in vegetation and global models, hampering the prediction of forest-climate feedbacks for these carbon-rich ecosystems. Lowland tropical forests often have ... ...

Abstract	Tropical forest root characteristics and resource acquisition strategies are underrepresented in vegetation and global models, hampering the prediction of forest-climate feedbacks for these carbon-rich ecosystems. Lowland tropical forests often have globally unique combinations of high taxonomic and functional biodiversity, rainfall seasonality, and strongly weathered infertile soils, giving rise to distinct patterns in root traits and functions compared with higher latitude ecosystems. We provide a roadmap for integrating recent advances in our understanding of tropical forest belowground function into vegetation models, focusing on water and nutrient acquisition. We offer comparisons of recent advances in empirical and model understanding of root characteristics that represent important functional processes in tropical forests. We focus on: (1) fine-root strategies for soil resource exploration, (2) coupling and trade-offs in fine-root water vs nutrient acquisition, and (3) aboveground-belowground linkages in plant resource acquisition and use. We suggest avenues for representing these extremely diverse plant communities in computationally manageable and ecologically meaningful groups in models for linked aboveground-belowground hydro-nutrient functions. Tropical forests are undergoing warming, shifting rainfall regimes, and exacerbation of soil nutrient scarcity caused by elevated atmospheric CO
MeSH term(s)	Ecosystem ; Plant Roots ; Nitrogen ; Forests ; Soil ; Plants ; Water ; Tropical Climate ; Trees
Chemical Substances	Nitrogen (N762921K75) ; Soil ; Water (059QF0KO0R)
Language	English
Publishing date	2024-02-28
Publishing country	England
Document type	Journal Article
ZDB-ID	208885-x
ISSN	1469-8137 ; 0028-646X
ISSN (online)	1469-8137
ISSN	0028-646X
DOI	10.1111/nph.19561
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Article: Broad‐ and small‐scale environmental gradients drive variation in chemical, but not morphological, leaf traits of vascular epiphytes

Guzmán‐Jacob, Valeria / Guerrero‐Ramírez, Nathaly R. / Craven, Dylan / Brant Paterno, Gustavo / Taylor, Amanda / Krömer, Thorsten / Wanek, Wolfgang / Zotz, Gerhard / Kreft, Holger

Functional ecology. 2022 Aug., v. 36, no. 8

2022

Abstract: ... marginal R²: 11%–89%) than in morphological traits (marginal R²: 2%–31%). For example, leaf carbon isotope ...

Abstract	Variation in leaf functional traits along environmental gradients can reveal how vascular epiphytes respond to broad‐ and small‐scale environmental gradients. Along elevational gradients, both temperature and precipitation likely play an important role as drivers of leaf trait variation, but these traits may also respond to small‐scale changes in light, temperature and humidity along the vertical environmental gradient within forest canopies. However, the relative importance of broad‐ and small‐scale environmental gradients as drivers of variation in leaf functional traits of vascular epiphytes is poorly understood. Here, we examined variation in morphological and chemical leaf traits of 102 vascular epiphyte species spanning two environmental gradients along Cofre de Perote mountain in Mexico: (i) a broad‐scale environmental gradient approximated by elevation as well as by species' lower and upper elevational limits, and (ii) small‐scale environmental gradients using the relative height of attachment of an epiphyte on a host tree as a proxy for variation in environmental conditions within the forest canopy. We also assessed whether variation in morphological and chemical leaf traits along these gradients was consistent across photosynthetic pathways (CAM and C₃). Broad‐ and small‐scale environmental gradients explained more variation in chemical traits (marginal R²: 11%–89%) than in morphological traits (marginal R²: 2%–31%). For example, leaf carbon isotope signatures (δ¹³C), which reflects water‐use efficiency, varied systematically across both environmental gradients, suggesting a decrease in water‐use efficiency with increasing lower and upper elevational limits and an increase in water‐use efficiency with relative height of attachment. The influence of lower and upper elevational limits on trait variation differed between photosynthetic pathways, except for leaf dry matter content and leaf nitrogen‐to‐phosphorus ratio. Contrary to our expectations, broad‐ and small‐scale environmental gradients explained minimal variation in morphological leaf traits, suggesting that environmental conditions do not constrain morphological leaf trait values of vascular epiphytes. Our findings suggest that assessing multiple drivers of leaf trait variation among photosynthetic pathways is key for disentangling the mechanisms underlying responses of vascular epiphytes to environmental conditions. Read the free Plain Language Summary for this article on the Journal blog.
Keywords	carbon ; epiphytes ; forest canopy ; forests ; humidity ; leaf dry matter content ; leaves ; photosynthesis ; temperature ; trees ; water use efficiency ; Mexico
Language	English
Dates of publication	2022-08
Size	p. 1858-1872.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	2020307-X
ISSN	1365-2435 ; 0269-8463
ISSN (online)	1365-2435
ISSN	0269-8463
DOI	10.1111/1365-2435.14084
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: The effects of drought and nutrient addition on soil organisms vary across taxonomic groups, but are constant across seasons.

Siebert, Julia / Sünnemann, Marie / Auge, Harald / Berger, Sigrid / Cesarz, Simone / Ciobanu, Marcel / Guerrero-Ramírez, Nathaly R / Eisenhauer, Nico

Scientific reports

2019 Volume 9, Issue 1, Page(s) 639

Abstract: Anthropogenic global change alters the activity and functional composition of soil communities that are responsible for crucial ecosystem functions and services. Two of the most pervasive global change drivers are drought and nutrient enrichment. However, ...

Abstract	Anthropogenic global change alters the activity and functional composition of soil communities that are responsible for crucial ecosystem functions and services. Two of the most pervasive global change drivers are drought and nutrient enrichment. However, the responses of soil organisms to interacting global change drivers remain widely unknown. We tested the interactive effects of extreme drought and fertilization on soil biota ranging from microbes to invertebrates across seasons. We expected drought to reduce the activity of soil organisms and fertilization to induce positive bottom-up effects via increased plant productivity. Furthermore, we hypothesized fertilization to reinforce drought effects through enhanced plant growth, resulting in even drier soil conditions. Our results revealed that drought had detrimental effects on soil invertebrate feeding activity and simplified nematode community structure, whereas soil microbial activity and biomass were unaffected. Microbial biomass increased in response to fertilization, whereas invertebrate feeding activity substantially declined. Notably, these effects were consistent across seasons. The dissimilar responses suggest that soil biota differ vastly in their vulnerability to global change drivers. Thus, important ecosystem processes like decomposition and nutrient cycling, which are driven by the interdependent activity of soil microorganisms and invertebrates, may be disrupted under future conditions.
MeSH term(s)	Animals ; Biomass ; Droughts ; Ecosystem ; Invertebrates ; Seasons ; Soil ; Soil Microbiology
Chemical Substances	Soil
Language	English
Publishing date	2019-01-24
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-018-36777-3
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Article ; Online: The importance of trait selection in ecology

Weigelt, Alexandra / Mommer, Liesje / Andraczek, Karl / Iversen, Colleen M. / Bergmann, Joana / Bruelheide, Helge / Freschet, Grégoire T. / Guerrero-Ramírez, Nathaly R. / Kattge, Jens / Kuyper, Thom W. / Laughlin, Daniel C. / Meier, Ina C. / van der Plas, Fons / Poorter, Hendrik / Roumet, Catherine / van Ruijven, Jasper / Sabatini, Francesco Maria / Semchenko, Marina / Sweeney, Christopher J. /

Valverde-Barrantes, Oscar J. / York, Larry M. / McCormack, M.L.

Nature

2023 Volume 618, Issue 7967

Keywords	Life Science
Language	English
Publishing country	nl
Document type	Article ; Online
ZDB-ID	120714-3
ISSN	1476-4687 ; 0028-0836
ISSN (online)	1476-4687
ISSN	0028-0836
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Win-win opportunities combining high yields with high multi-taxa biodiversity in tropical agroforestry.

Wurz, Annemarie / Tscharntke, Teja / Martin, Dominic Andreas / Osen, Kristina / Rakotomalala, Anjaharinony A N A / Raveloaritiana, Estelle / Andrianisaina, Fanilo / Dröge, Saskia / Fulgence, Thio Rosin / Soazafy, Marie Rolande / Andriafanomezantsoa, Rouvah / Andrianarimisa, Aristide / Babarezoto, Fenohaja Soavita / Barkmann, Jan / Hänke, Hendrik / Hölscher, Dirk / Kreft, Holger / Rakouth, Bakolimalala / Guerrero-Ramírez, Nathaly R /

Ranarijaona, Hery Lisy Tiana / Randriamanantena, Romual / Ratsoavina, Fanomezana Mihaja / Raveloson Ravaomanarivo, Lala Harivelo / Grass, Ingo

Nature communications

2022 Volume 13, Issue 1, Page(s) 4127

Abstract: Resolving ecological-economic trade-offs between biodiversity and yields is a key challenge when addressing the biodiversity crisis in tropical agricultural landscapes. Here, we focused on the relation between seven different taxa (trees, herbaceous ... ...

Abstract	Resolving ecological-economic trade-offs between biodiversity and yields is a key challenge when addressing the biodiversity crisis in tropical agricultural landscapes. Here, we focused on the relation between seven different taxa (trees, herbaceous plants, birds, amphibians, reptiles, butterflies, and ants) and yields in vanilla agroforests in Madagascar. Agroforests established in forests supported overall 23% fewer species and 47% fewer endemic species than old-growth forests, and 14% fewer endemic species than forest fragments. In contrast, agroforests established on fallows had overall 12% more species and 38% more endemic species than fallows. While yields increased with vanilla vine density and length, non-yield related variables largely determined biodiversity. Nonetheless, trade-offs existed between yields and butterflies as well as reptiles. Vanilla yields were generally unrelated to richness of trees, herbaceous plants, birds, amphibians, reptiles, and ants, opening up possibilities for conservation outside of protected areas and restoring degraded land to benefit farmers and biodiversity alike.
MeSH term(s)	Amphibians ; Animals ; Ants ; Biodiversity ; Birds ; Butterflies ; Conservation of Natural Resources ; Forests ; Plants ; Reptiles ; Trees
Language	English
Publishing date	2022-07-26
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2553671-0
ISSN	2041-1723 ; 2041-1723
ISSN (online)	2041-1723
ISSN	2041-1723
DOI	10.1038/s41467-022-30866-8
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Article ; Online: The effects of drought and nutrient addition on soil organisms vary across taxonomic groups, but are constant across seasons

Julia Siebert / Marie Sünnemann / Harald Auge / Sigrid Berger / Simone Cesarz / Marcel Ciobanu / Nathaly R. Guerrero-Ramírez / Nico Eisenhauer

Scientific Reports, Vol 9, Iss 1, Pp 1-

2019 Volume 12

Abstract: Abstract Anthropogenic global change alters the activity and functional composition of soil communities that are responsible for crucial ecosystem functions and services. Two of the most pervasive global change drivers are drought and nutrient enrichment. ...

Abstract	Abstract Anthropogenic global change alters the activity and functional composition of soil communities that are responsible for crucial ecosystem functions and services. Two of the most pervasive global change drivers are drought and nutrient enrichment. However, the responses of soil organisms to interacting global change drivers remain widely unknown. We tested the interactive effects of extreme drought and fertilization on soil biota ranging from microbes to invertebrates across seasons. We expected drought to reduce the activity of soil organisms and fertilization to induce positive bottom-up effects via increased plant productivity. Furthermore, we hypothesized fertilization to reinforce drought effects through enhanced plant growth, resulting in even drier soil conditions. Our results revealed that drought had detrimental effects on soil invertebrate feeding activity and simplified nematode community structure, whereas soil microbial activity and biomass were unaffected. Microbial biomass increased in response to fertilization, whereas invertebrate feeding activity substantially declined. Notably, these effects were consistent across seasons. The dissimilar responses suggest that soil biota differ vastly in their vulnerability to global change drivers. Thus, important ecosystem processes like decomposition and nutrient cycling, which are driven by the interdependent activity of soil microorganisms and invertebrates, may be disrupted under future conditions.
Keywords	Medicine ; R ; Science ; Q
Language	English
Publishing date	2019-01-01T00:00:00Z
Publisher	Nature Publishing Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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