搜索结果: 1-11 共查到“海洋地球物理学 Daphnia”相关记录11条 . 查询时间(0.109 秒)
The regulation of calcium in Daphnia magna reared in different calcium environments
Daphnia magna calcium environments
2014/4/18
The specific content, dissolved uptake rate, dietary assimilation efficiency (AE), and efflux rate constant (ke
) of
calcium (Ca) were quantified in juvenile (4-d) and adult (10-d) Daphnia magna cul...
Asexuality and polyploidy in Daphnia from the tropical Andes
Asexuality polyploidy the tropical Andes
2014/4/22
We assessed genetic variation at microsatellite loci within and among populations of the planktonic crustacean
Daphnia pulex in 12 Bolivian Andean lakes, located above 4,000 m above sea level. Geneti...
Asexuality and polyploidy in Daphnia from the tropical Andes
Asexuality polyploidy the tropical Andes
2014/4/22
We assessed genetic variation at microsatellite loci within and among populations of the planktonic crustacean
Daphnia pulex in 12 Bolivian Andean lakes, located above 4,000 m above sea level. Geneti...
The stoichiometry of dissolved organic carbon, nitrogen, and phosphorus release by a planktonic grazer, Daphnia
dissolved organic carbon nitrogen phosphorus release
2014/5/19
We examined the relationship between Daphnia release rates and ratios of dissolved organic carbon (DOC),
nitrogen (N), and phosphorus (P) and the elemental composition of algal food. We constructed a...
To sink or swim: Variable diapause strategies among Daphnia species
Variable diapause strategies Daphnia species
2014/5/16
Although dormancy is assumed to be fundamental to population persistence in temporary ponds, it has been
suggested that diapause may be less frequent in populations that inhabit permanent lakes. We c...
Haunted by the past: Evidence for dormant stage banks of microparasites and epibionts of Daphnia
Haunted microparasites epibionts
2014/5/16
Microparasites and epibionts have important implications for the ecology and evolution of their zooplankton host
populations. Many parasites and epibionts produce resistant spores that infect new hos...
Nonrandom sexual reproduction and diapausing egg production in a Daphnia hybrid species complex
Nonrandom sexual reproduction
2014/5/16
Sexual reproduction in Daphnia results in the production of diapausing eggs, which are enclosed in a structure
called ephippium. Ephippia, accumulated by sedimentation, can be preserved for decades a...
In Greifensee (Switzerland), Daphnia galeata 3 hyalina hybrids cooccur with both parental taxa. Hybrids are
the most abundant taxon, suggesting that hybrids have greater fitness. In addition to...
Associations among ribosomal (r)DNA intergenic spacer length, growth rate, and C : N : P stoichiometry in the genus Daphnia
Associations growth rate
2014/5/16
The growth rate hypothesis (GRH) proposes that variation in organismal C : N : P ratios is associated
with growth rate due to differential allocation to P-rich ribosomal RNA to support growth. A furt...
From laboratory experiments, it has been suggested that visually guided feeding, chemical and mechanical perception of increased ingestion rate (including perception of hunger and satiation), and odor...
Effects of dietary phosphorus deficiency on the abundance, phosphorus balance, and growth of Daphnia cucullata in three hypereutrophic Dutch lakes
dietary phosphorus defi ciency abundance phosphorus balance
2014/5/30
We studied population dynamics, phosphorus balance, and individual growth to evaluate limitation of Daphnia
cucullata by dietary phosphorus (P) in three interconnected, hypereutrophic Dutch lakes. Co...