From Soil to Sky: Getting the Dirt on our Latest Field Work! 🌎 Four of our Units - Agriculture Studies, Avifauna, Wetlands, and Terrestrial - recently traveled to the Free State for a Renewables Project. Here’s what we uncovered! ⛰️ Agriculture Studies: The proposed project area was dominated by Plinthic Catenas, a type of soil sequence often found in landscapes where water saturation varies across different elevations. This creates a gradient from well-drained soils in higher elevations to more waterlogged conditions in lower areas. This explains the variations in soil color caused by different levels of water saturation and oxygen availability, known as chroma mottles. 🦅 Avifauna: Our avifauna survey brought various sightings of species of conservation concern, such as the magnificent Secretarybird (Slide 6) and the rare Blue Korhaan. Classified within Ecological Support Areas, this landscape is crucial for sustaining bird populations. 💧 Wetlands: The wetlands assessment revealed sensitive hydrogeomorphic units, including valley-bottom and seep wetlands. These areas provide essential ecosystem services like water purification and flood control, and our findings emphasized protective buffers around these delicate environments to maintain their functions. 🌾 Terrestrial: The project area was found to be the unique Eastern Free State Sandy Grassland, with characteristic flora like the provincially protected Ghost Orchid (Slide 9). As part of a Critical Biodiversity Area, these grasslands are essential to conserve against potential degradation. Project Outcomes: ⛰️ Agriculture Studies: The soils found in this area are generally used for grain farming in semi-arid climates, where limited water makes crop growth challenging. A deep layer of clay-rich subsoil helps store water, which can be released to crops during crucial growth stages, boosting yields. However, if this clay layer is too close to the surface, it can cause waterlogging, which is especially problematic for deep-rooted crops and can be more severe in wetter climates. 🦅 Avifauna: Specific habitat preservation measures were proposed to minimize disruptions to bird species of conservation concern, ensuring safe passage and nesting areas. 💧 Wetlands: Buffer zones were delineated to protect wetland functionality, securing these natural filters and flood regulators for the area’s long-term ecological health. 🌾 Terrestrial: There is a high level of risk to sensitive flora & fauna, but currently, the area is already under threat from overgrazing, invasive alien plant spread, and unmonitored illegal harvesting of sensitive species. A unique opportunity where a well-informed biodiversity management plan, specific to the project could minimise disturbances over the long term and help the environment in the project area. We are dedicated to project-specific, guided strategies that protect South Africa's invaluable biodiversity. 🌱✨ #Biodiversity #EnvironmentalAssessment
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Managing Director (BSc Chem Eng), Yellow Tree
1wIncredible work guys!