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Anaerobic ammonium oxidation (anammox) bacteria and sulfide-dependent denitrifiers coexist in the water column of a meromictic south-alpine lake
Anaerobic ammonium oxidation bacteria sulfide-dependent denitrifiers coexist in the water column a meromictic south-alpine lake
2014/4/2
In addition to organotrophic denitrification, alternative pathways, such as anaerobic ammonium oxidation(anammox) or sulfide-dependent denitrification may be important modes for the removal of fixed n...
Short-term displacement of Planktothrix rubescens (cyanobacteria) in a pre-alpine lake observed using an autonomous sampling platform
Planktothrix rubescens lake
2014/4/2
Short-term changes in temporal and spatial distributions of the toxic cyanobacterium Planktothrix rubescens in
Lake Zurich were investigated using high-resolution data sets acquired with an autonomou...
Response of phytoplankton in an alpine lake to inputs of dissolved organic matter through nutrient enrichment and trophic forcing
Response of phytoplankton trophic forcing
2014/4/2
Inputs of terrestrially derived dissolved organic matter (DOM) are increasing in alpine lakes due to multiple
drivers such as climate change, tree line advancement, and insect epidemics. A 21 d micro...
Vertical distribution of zooplankton in subalpine and alpine lakes: Ultraviolet radiation, fish predation, and the transparency-gradient hypothesis
Vertical distribution of zooplankton subalpine and alpine lakes Ultraviolet radiation fish predation, the transparency-gradient hypothesis
2014/4/21
The transparency-gradient hypothesis argues that ultraviolet radiation (UV) is a primary determinant of the vertical distribution of zooplankton in transparent lakes with fewer fish, while fish predat...
Compound-specific stable isotopes of organic compounds from lake sediments track recent environmental changes in an alpine ecosystem, Rocky Mountain National Park, Colorado
Compound-specific stable isotopes organic compounds lake sediments environmental changes alpine ecosystem Rocky Mountain National Park Colorado
2014/4/18
Compound-specific nitrogen, carbon, and hydrogen isotope records from sediments of Sky Pond, an alpine lake in Rocky Mountain National Park (Colorado, United States of America), were used to evaluate ...
Vertical distribution of zooplankton in subalpine and alpine lakes: Ultraviolet radiation, fish predation, and the transparency-gradient hypothesis
Vertical distribution zooplankton in subalpine alpine lakes Ultraviolet radiation fish predation transparency-gradient hypothesis
2014/4/18
The transparency-gradient hypothesis argues that ultraviolet radiation (UV) is a primary determinant of the vertical distribution of zooplankton in transparent lakes with fewer fish, while fish predat...
Differential effect of algal- and soil-derived dissolved organic matter on alpine lake bacterial community composition and activity
algal- and soil-derived dissolved organic composition activity
2014/5/5
We studied the effects of algal- and soil-derived dissolved organic matter (DOM) enrichments on the activity
and community composition of bacterioplankton in an alpine lake. The effects of the DOM so...
Seasonal and ontogenetic changes of mycosporine-like amino acids in planktonic organisms from an alpine lake
Seasonal and ontogenetic changes mycosporine-like amino acids planktonic organisms an alpine lake
2014/5/4
We studied the quantitative and qualitative mycosporine-like amino acid (MAA) composition in phytoplankton and the copepod Cyclops abyssorum tatricus from an alpine lake over a 15-month period. Up to ...
Nutrient recycling by fish versus zooplankton grazing as drivers of the trophic cascade in alpine lakes
fi sh versus alpine lakes
2014/5/13
In a multilake experiment, we found little effect of nutrient excretion by zooplanktivorous fish, but a large effect
of herbivorous zooplankton, on phytoplankton biomass and phosphorus (P) limi...
Relationship between sediment organic matter, bacteria composition, and the ecosystem metabolism of alpine streams
Relationship between sediment organic matter bacteria composition the ecosystem metabolism alpine streams
2014/5/19
We tested whether sediment bacteria abundance (4',6-diamidino-2-phenylindole-stained cell counts) were related to sediment organic content (ash-free dry mass [AFDM]) in 11 nonforested streams of three...
Effects of experimental greenhouse warming on phytoplankton and zooplankton communities in fishless alpine ponds
experimental greenhouse warming on phytoplankton zooplankton communities fishless alpine ponds
2014/5/19
The impacts of global warming on aquatic ecosystems are expected to be most pronounced at higher trophic levels in cold-water environments. Therefore, we hypothesized that warming of fishless alpine p...
Herbivory and irradiance shape periphytic architecture in a Swiss alpine stream
Herbivory irradiance shape periphytic architecture a Swiss alpine stream
2014/6/17
The effects of herbivory and light on epilithic periphyton from Minor Creek (2,200 m above sea level), a Swiss alpine stream, were examined by manipulating light intensity and the densities of two abu...