Fit for Purpose: results from alternative sonar mapping platforms

Ray Valley(a) and Eli Kersh(b)

(a) BioBase Product Expert and Aquatic Biologist

(b) BioBase Ambassador, Certified Lake Manager, and President of LakeTech Inc.

The term “Fit for Purpose” has recently become a popular term in our circles in the context of mapping and surveying water bodies, and it refers to utilizing the appropriate equipment, methods, and budget for the task at hand.

This principle acknowledges that one type of equipment and method may not be suitable for every scenario. For instance, whether you’re assessing the storage volume of municipal stormwater ponds or maintaining a river channel for commercial navigation, the required level of accuracy will and should be different. While high accuracy and precision may be crucial for certain projects, it might not be necessary for others.

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Weeds and Seagrass: mysterious and underappreciated treasures of the sea

Given the disdain for the word “weed,” it’s not surprising that seaweed gets such little respect in most developed human cultures. But, we are finding seaweed and its rooted cousin seagrass hold immeasurable value for the future of humankind. Time to get to work mapping it!

Seagrasses are considered vascular plants and have roots, stems, leaves, and flowers. According to a report from the United Nations in 2020, there are more than 70 species across the globe covering over 300,000 km2 (which is likely a vast underestimate) making them one of the most widespread coastal habitats.

Figure 1. Posidonia seagrass growing off the Mediterranean Coast of Spain. See us map it

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