ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 18 pptx
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 18 pptx
... genetic variation (including additive-, epistatic- and
dominance-associated variance), environmental variation and, perhaps, the interaction
between genetic and environmental factors.
• Narrow sense ... toxicant can result in cross-resistance or co-tolerance. This co-tolerance
can result in very rapid accommodation to a novel toxicant. For example, plants tolerant to a particular
s-triazi...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 1 pptx
... United States of America on acid-free paper
10987654321
International Standard Book Number-13:97 8-0 -8 49 3-3 35 7-6 (Hardcover)
This book contains information obtained from authentic and highly regarded ... understand its parts and also how that level functions as part of a
larger whole. This can only be done by simultaneous and thoughtful application of microexplana-
tion, holism,...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 2 pptx
... in adults in that particular part of
the estuary.
particular habitat can sustain. As an example, phosphorus might limit the standing crop of a nuisance
blue-green algalspecies ina freshwaterlake ... the accumulation of a contaminant in (and occasionally also on) an individual
organism. Models and associated concepts applied to toxicant bioaccumulation in individuals estab-
lish the founda...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 13 pptx
... hazard of a reference group or
type is used as a baseline hazard and the hazard of another group is scaled (made proportional)
to that baseline hazard. For example, the hazard of contracting a ... on ln time-to-fatal cancer might be
estimated with an accelerated failure model. The median time-to-fatal cancer appearance might be
230 days earlier than that of the reference population. Bot...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 23 pptx
... comparison of beak sizes among allopatric and sympatric pop-
ulations of Galapagos finches. Assuming that beak size is an appropriate surrogate for resource use,
the greater separation of beak ... statisticalnull hypothesistesting paradigmhas becomeso catholicand ritualizedas toseemingly
impede clear thinking and alternative analysis approaches.
(Anderson et al. 2001)
Statistical approaches .....
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 31 pptx
... pH and organic matter may affect nitrification rates and contaminant bioavailability,
experimental approaches are necessary to determine if the relationship between nitrification and soil
characteristics ... Bernhard-Reversat, F., and Lavelle, P., Influence of heavy
metals on C and N mineralisation and microbial biomass in Zn-, Pb-, Cu-, and Cd-contaminated soils,
Appl. Soil Ecol., 25, 99–109, 2...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 3 ppt
... Phase I reactions (Slater 1984). As a final example,
enhanced oxidative damage at high metal concentrations occurs due to hydroxyl radical formation.
In such a case, more metal ion is available ...
Function
or
purpose
Associated
process
Metabolism
(anabolism
and catabolism)
Translation TranscriptionExcretion,
respiration,
detoxification,
and sequestration
Maintain
soma, control
aging
Mai...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 4 pdf
... soma, they are also relatively unavailable for trophic
transfer to grazers, predators, or parasites (Nott and Nicolaiduo 1993, Wallace and Luoma 2003,
Wallace et al. 2003). Let us examine details ... estu-
ary, which have high levels of cancer deaths (18% of all deaths) (Martineau et al. 2002). These
whales are exposed to polycyclic aromatic hydrocarbons (PAH) and display annual cancer rates...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 5 docx
... cerebellum
(Acquaah-Mensah et al. 2001). Acrylamide, a chemical contaminant that has been found in some
foods, can cause axon damage, producing loss of coordination (ataxia) and skeletal muscle weakness
(LoPachin ... or urea. Crustaceans excrete primarily ammonia via antennal glands and insects
have Malpighian tubules that excrete uric acid. Both crustaceans and insects also have nephrocyte...
ECOTOXICOLOGY: A Comprehensive Treatment - Chapter 7 ppt
... such
as lead can be excreted via the mammalian liver by an active transport mechanism (Rozman and
Klaassen 1996). Abou-Donia et al. (2002) also make the generalization that a molecular weight
greater ... gill ATPases. The basolateral membrane of gill cells, which have high Na
+
/K
+
-ATPase activity
(Evans et al. 1999), is the site ofATPase-mediated transport of many metals such as silver i...
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