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Tecnologias para conservação de polinizadores

2026-04-08T13:01:37Z

Título: Tecnologias para conservação de polinizadores Autor(es): Santos, Thiago Menezes Abstract: Pollination services are essential for the reproductive success of plants, playing a fundamental role in maintaining plant communities and ecosystems. In this context, pollination stands out as a highly relevant ecological mechanism, given the numerous environmental services it provides. Considering the need to conserve pollinator species, various technologies have been developed for this purpose. Thus, the present study aimed to conduct a technological prospecting of innovative solutions focused on pollinator conservation. The prospecting was carried out on the Lens.org platform. The results indicate an increase in the number of patents related to pollinator conservation between 2012 and 2025, with a predominance of technologies based on hybridization methods and artificial pollination. In total, 143 patents were evaluated. China leads in the number of patent filings, with 119 records, followed by the United States with 10 patents. Records linked to WHO–WIPO (9), South Korea (2), Canada (1), the European Patent Office (1), and the Netherlands (1) were also identified. Among the technologies analyzed, applications involving 21 plant species and 12 pollinator species were identified.

Efeitos das mudanças climáticas no balanço térmico e hídrico do guigó-da-Caatinga (Callicebus barbarabrownae, Hershkovitz 1990) em paisagens fragmentadas

2026-04-08T13:01:01Z

Título: Efeitos das mudanças climáticas no balanço térmico e hídrico do guigó-da-Caatinga (Callicebus barbarabrownae, Hershkovitz 1990) em paisagens fragmentadas Autor(es): Santos, Marília Nascimento dos

Fragmentação de habitat e conectividade ecológica em Sergipe : o papel da restauração ambiental e o cumprimento do Código Florestal

2026-04-08T12:58:20Z

Título: Fragmentação de habitat e conectividade ecológica em Sergipe : o papel da restauração ambiental e o cumprimento do Código Florestal Autor(es): Almeida, Luis Fellipe Martins de Abstract: Habitat fragmentation is one of the greatest contemporary challenges for biodiversity conservation, especially in states with a high degree of human impact, such as Sergipe. Therefore, this study sought to investigate the contribution of compliance with the Forest Code to the preservation of riparian vegetation, the degree of connectivity, and habitat fragmentation in the state of Sergipe, moving beyond mere legal requirements to become a strategic instrument for curbing habitat loss and restoring landscape functionality. Forest restoration in priority areas is fundamental to reversing fragmentation, strengthening ecological connectivity, and ensuring the functioning of biodiversity in Sergipe. Based on the spatial analysis of Permanent Preservation Areas in the six hydrographic basins in Sergipe, the study reveals that the remaining natural forests are highly fragmented and exhibit reduced connectivity. This is reflected in high habitat split indices and reduced connectivity values in the current scenario. The simulation of the complete restoration of Permanent Preservation Areas (APPs), according to the standards of the Forest Code, points to a significant reduction in fragmentation and an increase in structural connectivity, resulting in the creation of more continuous ecological corridors and the integration of small fragments, mainly in the Japaratuba and Sergipe river basins. Even so, the restoration of riparian buffer zones, in isolation, does not guarantee continuous core areas in all basins, leaving stretches with relatively small and vulnerable fragments. These results demonstrate that the recovery of APPs is a fundamental approach both to reverse landscape fragmentation and to enable environmental regularization in areas with a deficit of native vegetation. Thus, the study provides practical support to guide restoration actions and ensure compliance with the Forest Code, promoting the sustainability of landscapes in the state of Sergipe.

O papel subestimado do lixo de formigas cortadeiras na retenção de água no solo : uma evidência experimental

2026-04-08T12:56:21Z

Título: O papel subestimado do lixo de formigas cortadeiras na retenção de água no solo : uma evidência experimental Autor(es): Nascimento, José Marques Souza do Abstract: In addition to being considered agricultural pests, leaf-cutting ants (Atta opaciceps) act as ecosystem engineers by altering the soil through, among other things, the deposition of organic material in chambers. Although previous research has shown that the refuse produced by these ants chemically enriches the soil, its impacts on water dynamics remain poorly studied. This study aimed to verify whether Atta opaciceps refuse modifies soil water retention, testing the hypothesis that its inclusion increases water retention under controlled conditions. The experiment was conducted in the laboratory using a completely randomized design with five treatments and nine replicates each. The treatments were: pure refuse (L), nest soil (SF), control soil (SC), nest soil + refuse (SFL), and control soil + refuse (SCL). All material was collected from a pasture area in the municipality of Pedro Alexandre, Bahia state, Brazil. Water retention was assessed using an adapted gravimetric method: samples were capillary-saturated for 24 hours, drained for 12 hours, weighed, oven-dried at 105°C for 24 hours, and finally weighed again. Retained water was equivalent to the difference between saturated mass and dry mass. Data were analyzed using the Kruskal-Wallis test, followed by Dunn's post-hoc test with Benjamini-Hochberg correction. A significant difference was found among treatments (χ² = 36.705; df = 4; p = 2.07×10⁻⁷). Pure refuse showed the highest retention (median = 5.87 mL), differing from most treatments, except for nest soil with refuse (SFL: 5.33 mL). Control soil showed the lowest values (2.74 mL), with no statistical difference from nest soil (SF: 3.97 mL). A gradient increase in retention was observed: SC < SF ≈ SCL < SFL ≈ L. The results corroborate the hypothesis and show that Atta opaciceps refuse acts as a modifying agent of soil physical-hydraulic characteristics. This finding expands the understanding of leaf-cutting ants as ecosystem engineers, suggesting that discarded refuse may lead to variation in water availability across the landscape and create microsites favorable for plant growth. Future field studies are needed to determine the ecological significance of this effect and its feasibility for use in degraded area restoration strategies.