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Gabriela Pereyra

Gabriela Pereyra
Council on the Environment of New York City (GrowNYC) · Farmer Assistance

PhD

About

8
Publications
4,997
Reads
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237
Citations
Citations since 2017
2 Research Items
230 Citations
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201720182019202020212022202301020304050
201720182019202020212022202301020304050
201720182019202020212022202301020304050
Additional affiliations
May 2017 - present
GrowNYC
Position
  • Manager
April 2012 - May 2016
Max Planck Institute for Biogeochemistry Jena
Position
  • PhD Student
September 2007 - May 2009
Venezuelan Institute for Scientific Research
Position
  • Research Assistant

Publications

Publications (8)
Article
Full-text available
In order to assess the response of cocoa trees to drought, changes in water status, gas exchange, leaf carbon isotopic ratio ( δ¹³ C), photochemical activity, and leaf N and chlorophyll content during the rainy and dry season were measured in 31 Venezuelan cocoa clones (17 Trinitarios, 6 Criollos, and 8 Modern Criollos) grown in a common garden. Dr...
Article
Full-text available
Forest dieback caused by drought-induced tree mortality has been observed world-wide. Forecasting which trees in which locations are vulnerable to drought-induced mortality is important to predict the consequences of drought on forest structure, biodiversity and ecosystem function. In this paper, our central aim was to compile a synthesis of tree t...
Article
Full-text available
Anticipated increases in the frequency of heat waves and drought spells may have negative effects on the ability of leguminous trees to fix nitrogen (N). In seedlings of Leucaena leucocephala inoculated with Mesorhizobium loti or Rhizobium tropici, we investigated how the developmental stage and a short drought influenced overall biomass and the ac...
Conference Paper
Full-text available
Plant carbon (C) allocation and plant metabolic processes (i.e. photosynthesis and respiration) can be affected by changes in C availability, for example from changing atmospheric [CO 2 ]. In nodulated plants, C availability may also influence nitrogen (N) fixation by bacteriods. But C allocation and N fixation are often studied independently and h...
Article
Full-text available
We studied physiological traits of 12 Criollo cocoa cultivars growing in a germplasm bank in the southern region of Maracaibo Lake Basin, during the rainy (RS) and dry seasons (DS) of 2007. A further evaluation of photosynthetic responses to changes in environmental parameters was done on three cultivars: Los Caños 001 (LCA001), Sur Porcelana 010 (...
Article
Full-text available
The species of the Lantana genus are known by the high commercial value of its natural oils, but their photosynthetic response to environmental variables is not well known. To characterize the photosynthetic capacity and establish the effect of water deficit on photosynthesis, plants of three Lantana species (L. caracasana, L. canescens and L. cama...

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