Data from: Invasive bryozoan alters interaction between a native grazer and its algal food

O'Brien JM, Krumhansl KA, Scheibling RE

Date Published: November 18, 2013

DOI: http://dx.doi.org/10.5061/dryad.5q83s

 

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Title Single diet feeding experiment data from: Invasive bryozoan alters interaction between a native grazer and its algal food. A Canadian Healthy Oceans Network Ecosystem Function Project, EF-11.
Downloaded 14 times
Description Rate of mass change (mg/day) of kelp tissue disks (Saccharina latissima) in experimental feeding arenas in the laboratory containing snails (Lacuna vincta) offered one dietary item and autogenic control arenas with no snails. Data for each replicate container includes herbivore absence/presence, diet (kelp encrusted by invasive bryozoan M. membranacea or non-encrusted kelp), and rate of mass change of kelp disk.
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Title Mixed diet feeding experiment data from: Invasive bryozoan alters interaction between a native grazer and its algal food. A Canadian Healthy Oceans Network Ecosystem Function Project, EF-11.
Downloaded 6 times
Description Rate of mass change (mg/day) of kelp tissue half disks (Saccharina latissima) in feeding arenas in the laboratory with snails (Lacuna vincta) offered dietary choice of kelp encrusted by invasive bryozoan M. membranacea or non-encrusted kelp simultaneously and in autogenic control arenas with no snails. Data include arena identity, herbivore absence/presence, dietary item (encrusted/non-encrusted), rate of mass change of kelp tissue.
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Title Snail growth data from: Invasive bryozoan alters interaction between a native grazer and its algal food. A Canadian Healthy Oceans Network Ecosystem Function Project, EF-11.
Downloaded 8 times
Description Weekly measures of shell height (mm) of individual snails (Lacuna vincta) maintained in feeding arenas in the laboratory over 4 weeks on single diets of either kelp (Saccharina latissima) encrusted by the invasive bryozoan M. membranacea, non-encrusted kelp, or starved. Data include arena identifier, individual identifier (nested within arena), diet, initial shell height (mm), and shell heights at the end of weeks 1-4 (mm).
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Title Snail egg mass production data from: Invasive bryozoan alters interaction between a native grazer and its algal food. A Canadian Healthy Oceans Network Ecosystem Function Project, EF-11.
Downloaded 7 times
Description Egg mass production between weeks 3 and 4 of snails (Lacuna vincta) maintained in feeding arenas over 4 weeks on single diets of either kelp (Saccharina latissima) encrusted by the invasive bryozoan M. membranacea, non-encrusted kelp, or starved. Data for each replicate container include diet, egg mass count, and number of snails per container.
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Title Snail survival data from: Invasive bryozoan alters interaction between a native grazer and its algal food. A Canadian Healthy Oceans Network Ecosystem Function Project, EF-11.
Downloaded 8 times
Description Survival of snails (Lacuna vincta) maintained in feeding arenas in the laboratory over 4 weeks on single diets of either kelp (Saccharina latissima) encrusted by the invasive bryozoan M. membranacea, non-encrusted kelp, or starved. Data for each replicate container include diet and proportion of snails surviving at start of experiment and by the end of weeks 1-4.
Download survival_data_lacuna.csv (1.065 Kb)
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When using this data, please cite the original publication:

O'Brien JM, Krumhansl KA, Scheibling RE (2013) Invasive bryozoan alters interaction between a native grazer and its algal food. Journal of the Marine Biological Association of the United Kingdom 93(5): 1393-1400. http://dx.doi.org/10.1017/S0025315412001683

Additionally, please cite the Dryad data package:

O'Brien JM, Krumhansl KA, Scheibling RE (2013) Data from: Invasive bryozoan alters interaction between a native grazer and its algal food. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.5q83s
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