Post by rabia373 on Mar 11, 2024 4:33:24 GMT
Home \ News \ Rainforests quickly recover deforested coverage, but there are lost species Rainforests quickly recover deforested coverage, but there are lost species /August/Published in:News Researchers from around the world report partial recovery of tree species in a few decades, but biodiversity may be compromised Study results show that the biodiversity of tropical biomes may be impaired despite the maintenance of plant cover – Photo: Cecília Bastos/USP Imagens An international study on tropical forests brings some optimism about the recovery of deforested areas. From observations of ecologists around the world, it has been reported that tree species regenerate in a matter of decades, forming the so-called secondary forests. The loss of species, on the other hand, is inevitable. Researchers observed how the emergence of trees takes place in spaces degraded by human action. They collected species from primary and secondary rainforests to identify to which extent the new vegetation maintains the original diversity. , plots of plant cover were observed and analyzed together.
The results were published in the journal Science Advances, in an article that had the participation of independent groups from Latin America, Europe, and the United States, led by a team from Wageningen University, in the Netherlands. Brazil was represented by Pedro Bracalion, professor of the Luiz de Queiroz School of Agriculture (ESALQ) of USP, in Pira Whatsapp Number List cicaba, who observed the processes in the Atlantic Forest and the Amazon region. The situation of the former is critical – today only % of its original area is preserved, according to the Atlas of the Forest Remnants of the Atlantic Forest. When a deforested area is abandoned – usually due to the lack of economic potential – a gradual regeneration process begins, resulting in a new area of secondary forests, which replaces the previous one. The study points out that in Latin America the results are fast and significant. In less than two decades, % of the number of species can be recovered. However, the expectations of full recovery are low in the short term. “Despite the high quantity of species, they are different from those of the original forest,” says the researcher.
The result reveals that the biodiversity of tropical biomes may be compromised, despite the maintenance of plant cover. It also highlights the profile of the observed trees that return to the habitat. “Most are generalist species. Others, more sensitive to modifications, will hardly reach the area of degradation.” Secondary forests do not substitute primary ones, according to researcher – Photo: George Campos/USP Imagens Environmental compensation The collected data show no ecological equivalence between the original and the regenerated spaces. Despite the amount of species recovered, their richness is compromised. According to the professor, this is a warning sign regarding the way those responsible for the environmental compensation policy act. For him, reforestation by equivalence of damaged area does not represent an effective action to fully reverse the effects of the loss of primary forests. However, the technique is still predominant in public policies for environmental recovery.
The results were published in the journal Science Advances, in an article that had the participation of independent groups from Latin America, Europe, and the United States, led by a team from Wageningen University, in the Netherlands. Brazil was represented by Pedro Bracalion, professor of the Luiz de Queiroz School of Agriculture (ESALQ) of USP, in Pira Whatsapp Number List cicaba, who observed the processes in the Atlantic Forest and the Amazon region. The situation of the former is critical – today only % of its original area is preserved, according to the Atlas of the Forest Remnants of the Atlantic Forest. When a deforested area is abandoned – usually due to the lack of economic potential – a gradual regeneration process begins, resulting in a new area of secondary forests, which replaces the previous one. The study points out that in Latin America the results are fast and significant. In less than two decades, % of the number of species can be recovered. However, the expectations of full recovery are low in the short term. “Despite the high quantity of species, they are different from those of the original forest,” says the researcher.
The result reveals that the biodiversity of tropical biomes may be compromised, despite the maintenance of plant cover. It also highlights the profile of the observed trees that return to the habitat. “Most are generalist species. Others, more sensitive to modifications, will hardly reach the area of degradation.” Secondary forests do not substitute primary ones, according to researcher – Photo: George Campos/USP Imagens Environmental compensation The collected data show no ecological equivalence between the original and the regenerated spaces. Despite the amount of species recovered, their richness is compromised. According to the professor, this is a warning sign regarding the way those responsible for the environmental compensation policy act. For him, reforestation by equivalence of damaged area does not represent an effective action to fully reverse the effects of the loss of primary forests. However, the technique is still predominant in public policies for environmental recovery.
