Iron cycling and nutrient-limitation patterns in surface waters of the World Ocean
A global marine ecosystem mixed-layer model is used to study iron cycling and nutrient-
limitation patterns in surface waters of the world ocean. The ecosystem model has a small …
limitation patterns in surface waters of the world ocean. The ecosystem model has a small …
Influence of iron availability on nutrient consumption ratio of diatoms in oceanic waters
S Takeda - Nature, 1998 - nature.com
The major nutrients (nitrate, phosphate and silicate) needed for phytoplankton growth are
abundant in the surface waters of the subarctic Pacific, equatorial Pacific and Southern …
abundant in the surface waters of the subarctic Pacific, equatorial Pacific and Southern …
Application of Fe isotopes to tracing the geochemical and biological cycling of Fe
Over 100 high-precision Fe isotope analyses of rocks and minerals are now available, which
constrain the range in δ56Fe values (per mil deviations in 56Fe/54Fe ratios) in nature from …
constrain the range in δ56Fe values (per mil deviations in 56Fe/54Fe ratios) in nature from …
Constraints on early Earth differentiation from hafnium and neodymium isotopes
INFERENCES about the early evolution of the Earth's crust and mantle have come largely
from the study of isotope systematics—in particular, those of neodymium1–5. Neodymium …
from the study of isotope systematics—in particular, those of neodymium1–5. Neodymium …
Iron, phytoplankton growth, and the carbon cycle
Exobiology Branch, NASA Ames Research Center, Moffett Field, California 94035-1000,
USA1. Introduction 101.1. Antiquity and Ubiquity of H2 in the Microbial World 101.2. The …
USA1. Introduction 101.1. Antiquity and Ubiquity of H2 in the Microbial World 101.2. The …
Control of community growth and export production by upwelled iron in the equatorial Pacific Ocean
KH Coale, SE Fitzwater, RM Gordon, KS Johnson… - Nature, 1996 - nature.com
Abstract THE'iron hypothesis'1, 2 states that phytoplankton growth and biomass are limited
by low concentrations of available iron in large regions of the world's oceans where other …
by low concentrations of available iron in large regions of the world's oceans where other …
Iron chemistry in seawater and its relationship to phytoplankton: a workshop report
ML Wells, NM Price, KW Bruland - Marine Chemistry, 1995 - Elsevier
The ongoing debate about iron limitation of phytoplankton in the open ocean has
highlighted how little we know about the marine chemistry of iron and its relationship to iron …
highlighted how little we know about the marine chemistry of iron and its relationship to iron …
Decoupling of iron and phosphate in the global ocean
P Parekh, MJ Follows, EA Boyle - Global Biogeochemical …, 2005 - Wiley Online Library
We formulate a mechanistic model of the coupled oceanic iron and phosphorus cycles. The
iron parameterization includes scavenging onto sinking particles, complexation with an …
iron parameterization includes scavenging onto sinking particles, complexation with an …
Size-fractionated iron concentrations in the northeast Pacific Ocean: distribution of soluble and small colloidal iron
J Nishioka, S Takeda, CS Wong, WK Johnson - Marine Chemistry, 2001 - Elsevier
The spatial and temporal changes in vertical distribution of soluble Fe (< 200 kDa or< 0.03
μm) and small colloidal Fe (200 kDa–0.2 μm, 200 kDa–0.1 μm, 0.03–0.2 μm or 0.03–0.1 μm) …
μm) and small colloidal Fe (200 kDa–0.2 μm, 200 kDa–0.1 μm, 0.03–0.2 μm or 0.03–0.1 μm) …
Metal quotas of plankton in the equatorial Pacific Ocean
The micronutrient metals Mn, Fe, Co, Ni and Zn are required for phytoplankton growth, and
their availability influences ocean productivity and biogeochemistry. Here we report the first …
their availability influences ocean productivity and biogeochemistry. Here we report the first …