Twenty-five years of Open-Top Chambers in tropical environments: where, how, and what are we looking at regarding flora response to climate change?

Twenty-five years of Open-Top Chambers in tropical environments: where, how, and what are we looking at regarding flora response to climate change?

Main conclusion Open-Top Chambers should be more used in tropical ecosystems to study climate change effects in plants as they are still insufficient to extract plant response patterns in these ecosystems. Understanding flora response to climate change (CC) is critical for predicting future ecosyste...

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Published in:Planta Vol. 259; no. 4; p. 82
Main Authors: de Alencar, Amanda S., da F Lira, Catarina, Rosado, Bruno Henrique P., de F Mansano, Vidal
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01-04-2024
Springer Nature B.V
Subjects:
Agriculture
Biomedical and Life Sciences
Carbon dioxide
Chambers
Climate Change
Climate studies
Critical point
Decoupling
Design of experiments
Ecology
Ecosystem
Ecosystem dynamics
Ecosystems
Experimental design
Fabaceae
Flora
Forestry
Life Sciences
Myrtaceae
Overheating
Parameters
Plant extracts
Plant Sciences
Poaceae
Review
Scientometrics
Temperature
Tropical environment
Tropical environments
Microclimate modulation
In situ experiments
Global change
OTC
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Summary:Main conclusion Open-Top Chambers should be more used in tropical ecosystems to study climate change effects in plants as they are still insufficient to extract plant response patterns in these ecosystems. Understanding flora response to climate change (CC) is critical for predicting future ecosystem dynamics. Open-Top Chambers (OTCs) have been widely used to study the effects of CC on plants and are very popular in temperate ecosystems but are still underused in tropical regions. In this systematic review, we aimed to discuss the use of OTCs in the study of the effects of different agents of climate change on tropical flora by presenting scientometric data, discussing the technical aspects of its use and enumerating some observations on plant response patterns to climatic alterations in the tropics. Our analysis indicated that the bottleneck in choosing an OTC shape is not strictly related to its purpose or the type of parameter modulated; instead, passive or active approaches seem to be a more sensitive point. The common critical point in using this technique in warmer regions is overheating and decoupling, but it can be overcome with simple adaptations and extra features. The most frequently parameter modulated was CO 2 , followed by O 3 and temperature. The plant families with more representatives in the studies analyzed were Fabaceae, Myrtaceae, and Poaceae, and the most represented biome was tropical and subtropical moist broadleaf forests. In conclusion, OTCs are a valuable and feasible tool to study CC effects on various tropical ecosystems, regardless of structure, active/passive approach, or other technical features. One of the primary advantages of this methodology is its applicability for in situ use, eliminating the need for plant transplantation. We encourage studies using OTC experimental design for plant conservation in the tropics.
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ISSN:0032-0935
1432-2048
DOI:10.1007/s00425-024-04356-8