Outdoor seating in urban areas, such as benches, cafe tables, and public squares, can significantly alter the microhabitats of urban orthonectids—tiny parasitic organisms often overlooked in city ecosystems. These structures introduce physical barriers, shade, and moisture variations, disrupting the delicate balance orthonectids rely on for survival.

Research suggests that outdoor seating reduces soil permeability and alters temperature gradients, forcing orthonectids to adapt or relocate. For instance, shaded areas under benches may retain higher humidity, creating pockets of microhabitats favorable for certain species, while sun-exposed seating can desiccate surrounding soil, pushing orthonectids into less hospitable zones.

Additionally, human activity around seating areas—like foot traffic and waste accumulation—can further fragment orthonectid habitats. Food debris and spilled liquids may temporarily boost local nutrient levels, but chemical residues from cleaning agents often prove toxic.

Understanding these dynamics is crucial for urban planners aiming to balance human convenience with ecological preservation. By incorporating green design principles, such as permeable seating materials or strategic vegetation buffers, cities can mitigate negative impacts on orthonectids and foster healthier urban ecosystems.