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Figure 4 | BMC Ecology

Figure 4

From: Fine-scale spatiotemporal influences of salmon on growth and nitrogen signatures of Sitka spruce tree rings

Figure 4

δ15N isotopic enrichment values (unadjusted-grey line) and dbh-adjusted-dark line) for Bag Harbour trees cored across gradient in salmon carcass density. Panels organized (top left, top right etc.) for increased distance from the estuary. Panel A: BH18 (200 m upstream, 1 m into forest, carcass present) BH20 (200 m upstream, 80 m into forest, carcass absent); Panel B: BH15 (300 m upstream, 4 m into forest, carcass present) BH17 (300 m upstream, 90 m into forest, carcass absent); Panel C: BH12 (400 m upstream, 1 m into forest, carcass present) BH13 (400 m upstream, 27 m into forest, carcass present); Panel D; BH9 (500 m upstream, 3 m into forest, carcass present) BH11 (500 m upstream, 66 m into forest, carcass absent); Panel E: BH6 (600 m upstream, 4 m into forest, carcass present) BH8 (600 m upstream, 64 m into forest, carcass absent); Panel F: BH4 (700 m upstream, 1 m into forest, carcass present) BH5 (700 m upstream, 48 m into forest, carcass present); BH30 (1000 m, 3 m into forest, carcass absent), BH28 (1200 m upstream, 31 m into forest, carcass absent).

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