Scientists here estimate about 300 living Sine-Saloum, but they face numerous threats, including pollution and most problematic entanglement in nylon monofilament fishing nets.

科学家估计大约有 300 只座头海豚生活在塞纳河-萨鲁姆，但它们面临着许多威胁，包括污染和最棘手的尼龙单丝渔网缠绕。

Scientists here estimate about 300 living Sine Saloum, but they face numerous threats including pollution, and most problematically entanglement in nylon monofilament fishing nets.

这里的科学家估计有三百只座头海豚生活在辛萨鲁姆，但它们面临着无数的威胁，包括污染，最严重的问题是被尼龙单丝渔网缠住。