ArticleInternational journal of biometeorology2016
Rock outcrops reduce temperature-induced stress for tropical conifer by decoupling regional climate in the semiarid environment.
Article in International journal of biometeorology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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7 citing papers in PubMed, 1 synthesis or guideline pooled it, 36 citations in OpenAlex.
- Global buffering of temperatures under forest canopies.Nature ecology & evolution · 2019Pooled it
- Microclimatic changes caused by plant invasions and warming: uncovering thermal costs and benefits to a tortoise.Conservation physiology · 2025Article
- Humid and cold forest connections in South America between the eastern Andes and the southern Atlantic coast during the LGM.Scientific reports · 2024Article
- Polishing entire stems and roots using sandpaper under water: An alternative method for macroscopic analyses.Applications in plant sciences · 2021Article
- Impact of temperature on the growth of a Neotropical tree species (Hymenaea courbaril, Fabaceae) at its southern distribution limit.International journal of biometeorology · 2019Article
- Brazilian montane rainforest expansion induced by Heinrich Stadial 1 event.Scientific reports · 2019Article
- The relationship between climate change and the endangered rainforest shrub Triunia robusta (Proteaceae) endemic to southeast Queensland, Australia.Scientific reports · 2017Article
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Authors and funding
3 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We aimed to understand the effect of rock outcrops on the growth of Podocarpus lambertii within a microrefuge. Our hypothesis holds that the growth and survival of this species depend on the regional climate decoupling provided by rock outcrops. To test this hypothesis, we characterized the microclimate of (1) surrounding vegetation, (2) rock outcrop corridors, and (3) adjacencies. We assessed population structure by collecting data of specimen stem diameter and height. We also assessed differences between vegetation associated or not with outcrops using satellite imaging. For dendrochronological analyses, we sampled 42 individuals. Tree rings of 31 individuals were dated, and climate-growth relationships were tested. Rock outcrops produce a favorable microclimate by reducing average temperature by 4.9 °C and increasing average air humidity by 12 %. They also reduce the variability of atmospheric temperature by 42 % and air humidity by 20 % supporting a vegetation with higher leaf area index. Within this vegetation, specimen height was strongly constrained by the outcrop height. Although temperature and precipitation modulate this species growth, temperature-induced stress is the key limiting growth factor for this population of P. lambertii. We conclude that this species growth and survival depend on the presence of rock outcrops. These topography elements decouple regional climate in a favorable way for this species growth. However, these benefits are restricted to the areas sheltered by rock outcrops. Although this microrefuge supported P. lambertii growth so far, it is unclear whether this protection would be sufficient to withstand the stress of future climate changes.
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