3/23/2023 0 Comments Metaz update14☌) corresponds to the transition in the climatology of heterotrophic bacteria and the photosynthetic cyanobacterium Synechococcus reported by Li (1998 i.e. 14-24☌) the minimum temperature for temperate conditions (i.e. There are two temperature zones identified: arctic (i.e. All values are expressed as a percentage of PPT (i.e. 4) to temperature for the (A) herbivorous and (B) microbial pelagic food webs. Responses of the five summary R flows (microbial-hub approach, Fig. Shaded rectangles: microbial-loop flows, and summary R flows resulting from the microbial-hub approach. Solid arrows: forward flows dashed arrows: backward flows double-headed arrow: net flow possible in both directions. The HUB consumes PHYTO, receives carbon from METAZ, and redirects the carbon it ingests towards CO2 (respiration) and METAZ. Right side: application of the microbial-hub approach to the model: PHYTO-POC and PHYTO-DOC are merged into PHYTO, uZOO and BACT make up the microbial hub (HUB), and MZOO are combined with LARGE into the metazoan compartment (METAZ). The two components of export are: faecal pellets, and other organic materials (phytodetritus, etc.) The arrows represent carbon flows into and out of compartments: primary production (PP, particulate, PPp, and dissolved, PPD) heterotrophic detritus consumption (D), excretion (E), egestion (F), production (P) and respiration (R). The seven food-web compartments are: particulate and dissolved PP (PHYTO-POC and PHYTO-DOC), bacteria (BACT), microzooplankton (^ZOO, 2 mm), and faecal pellets (DETR, detritus). Left side: food-web model of Legendre and Rivkin (2008) with added export flows.
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