GIS in Mapping Turtle Nesting Suitability of Beach to Inform Conservation Efforts
Listed as threatened, turtles are experiencing increased drop in their population, Habitats, foraging sites and also nesting sites. Nonprofits have in various places implemented projects toward turtle conservation. GIS is at tool centered at the core of conservation decision making. It informs on the current situation of the species and helps draw a projection on the future of conservation concerns.
Despite there being research and studies related to marine life conservation for which turtles are part of, little is known about turtle nesting sites in Kenya. In response to this situation Local Ocean Trust charged itself with studying turtle nesting suitability in part of the northern Kenya coast. This covered the stretch of the beach from Gongoni fish landing site through Watamu Marine Park to the northernmost part of the beach at Shela fish landing site in near River Sabaki.
GIS became a handy tool in the study and was to map the turtle nesting suitability. This tool was at the same time used in mapping the various socio-economic activities running along the same stretch of the beach. This was of essence in easily identifying human induced factors that contributed to a beach being categorised as an unsuitable nesting site.
The exercise mapped a beach length of 34.53276 kilometres and from the analysis 5.44023 kilometres of the beach was found to be unsuitable due to human activities influence.
This has helped the organisation understand the viability of the beach which is its field operational area to turtle nesting. From this survey a number of human induced threats to turtle nesting at the beach were identified. Such included businesses e.g. antique stalls and massage shades at the beach and small structures for vending fast foods close to Old Kanani fish Landing site. Seawalls constructed from erected poles and stone walls on some of areas which are naturally suitable for turtle nesting were also identified as threats to turtle nesting.
The exercise gave an overall status of the beach and showed areas to which extra measures must be put in place to emphasise on nesting site protection for the purpose of turtle conservation.