On the Connexion Between the Distribution of the Existing Fauna and Flora of the British Isles, and the Geological Changes Which Have Affected Their Area
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Edward Forbes's 1846 essay, "On the Connexion Between the Distribution of the Existing Fauna and Flora of the British Isles, and the Geological Changes Which Have Affected Their Area," was a pioneering work in biogeography. Forbes analyzed how the distribution of plants and animals in the British Isles related to geological shifts in the area. He proposed that most of Great Britain's flora had migrated to the islands over land bridges at three distinct periods: before, during, and after the glacial epoch. This work contributed to the emerging understanding of how geological history influences the distribution of life on Earth.12
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