Experimental functions for modelling daily contaminant (e.g. methylmercury, PCBs) dynamics in fish using three bioaccumulation models (CONTEQ 1–3).
CONTEQ 1 — food uptake only, no elimination: \(\text{Burden}_{t+1} = \text{Burden}_t + \sum_i C_i \cdot [\text{prey}]_i \cdot \text{AE}_i\)
CONTEQ 2 — food uptake with temperature- and weight-dependent elimination (Trudel and Rasmussen 1997): \(K_x = \exp(0.066 T - 0.2 \ln W - 6.56)\)
CONTEQ 3 — Arnot and Gobas (2004): uptake from both water (via gill transfer) and food, elimination proportional to respiration.
No return value; this page documents the contaminant accumulation functions module. See individual function documentation for return values.
Arnot, J.A. and Gobas, F.A.P.C. (2004). A food web bioaccumulation model for organic chemicals in aquatic ecosystems. Environmental Toxicology and Chemistry, 23(10), 2343–2355. tools:::Rd_expr_doi("10.1897/03-438")
Trudel, M. and Rasmussen, J.B. (1997). Modeling the elimination of mercury by fish. Environmental Science and Technology, 31(6), 1716–1722. tools:::Rd_expr_doi("10.1021/es960609t")