170-Year Data Reveals Where Canada's Kelp Forests Are Most Resilient
A study combining historical charts and satellite data has tracked the long-term survival of kelp forests around Vancouver Island over 170 years. Kelp in cooler, wave-exposed areas showed strong durability, with 88% surviving across more than a century. In contrast, warmer and more sheltered waters saw survival rates drop to just 52%, highlighting significant regional differences. The findings underscore how rising ocean temperatures pose an uneven threat to these marine ecosystems. Researchers say the data will be critical in guiding future conservation efforts to protect kelp forests.
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