Douglas B. Rasher

Affiliation: Bigelow Laboratory for Ocean Sciences

Address: []

Orcid: 0000-0002-0212-8070

Project: Killer Seaweeds: Allelopathy against Fijian Corals (7 datasets)

Dataset	Latest Version Date	Current State
Seaweed growth, palatability, and chemical defense (anti-coral and anti-herbivore) following 8 days of contact with a coral competitor in the Viti Levu, Fiji from May 2011 (Killer Seaweeds project) Role: Contact	2014-01-22	Final no updates expected
Seaweed growth, palatability, and chemical defense (anti-coral and anti-herbivore) following 8 days of contact with a coral competitor in the Viti Levu, Fiji from May 2011 (Killer Seaweeds project) Role: Student	2014-01-22	Final no updates expected
Porites PSII quantum yield after exposure to seaweed extracts in the Viti Levu, Fiji from May 2011 (Killer Seaweeds project) Role: Student	2014-01-22	Final no updates expected
Porites PSII quantum yield after exposure to Galaxaura thalli in the Viti Levu, Fiji from May 2011 (Killer Seaweeds project) Role: Student	2014-01-22	Final no updates expected
Palatability of Galaxaura & Sargassum to herbivores in the Viti Levu, Fiji from 2011 (Killer Seaweeds project) Role: Student	2014-01-22	Final no updates expected
Palatability of Galaxaura extract on Padina to herbivores from in the Viti Levu, Fiji from 2011 (Killer Seaweeds project) Role: Student	2014-01-22	Final no updates expected
Palatability of Galaxaura extract on Amphiroa to herbivores in the Viti Levu, Fiji from 2011 (Killer Seaweeds project) Role: Student	2014-01-22	Final no updates expected

Project: Ocean Acidification: Century Scale Impacts to Ecosystem Structure and Function of Aleutian Kelp Forests (12 datasets)

Dataset	Latest Version Date	Current State
Sea urchin density at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin biomass at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Kelp forest community structure at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin density at each site studied with respect to Clathromorphum bioerosion, at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin size and biomass with respect to Clathromorphum bioerosion at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Kelp forest community structure studied with respect to Clathromorphum bioerosion at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Sea urchin bio-erosion of Clathromorphum nereostratum skeleton at central and western Aleutian Islands, Alaska from visual surveys, July 2014 Role: Co-Principal Investigator	2019-01-30	Final no updates expected
Historical reconstruction of sea urchin grazing events in Aleutian Island ecosystem from grazing scars, 1965-2004 Role: Co-Principal Investigator	2019-02-13	Final no updates expected
Laboratory study of estimates of per capita sea urchin grazing rates on Clathromorphum nereostratum, evaluated as a function of sea urchin size Role: Co-Principal Investigator	2019-02-13	Final no updates expected
Experimental study to estimate per capita sea urchin (Strongylocentrotus polyacanthus) grazing rates on the alga Clathromorphum nereostratum as a function of seawater temperature and pCO2 concentration Role: Co-Principal Investigator	2019-02-13	Final no updates expected
The density (mg CaCO3/cm^3) of the skeleton of Clathromorphum nereostratum, when assessed as function of increasing seawater temperature and pCO2 concentration Role: Co-Principal Investigator	2019-02-13	Final no updates expected
Estimates of island-wide sea otter population density as surveyed with boats circumnavigating nine focal islands within the central and western Aleutian Islands (Alaska) from 1991-2015. Role: Contact	2021-01-26	Final no updates expected

Project: Collaborative Research: Development and application of a method using coralline algae to reconstruct past changes in pH and impacts on calcification (3 datasets)

Dataset	Latest Version Date	Current State
Skeletal density for crustose coralline algae reared in natural and experimental temperature and pCO2 conditions Role: Co-Principal Investigator	2021-01-21	Final no updates expected
Clathromorphum compactum and C. nereostratum calcification experiment data involving multiple temperatures and pCO2 levels (CorallineAlgaePaleo-pH) Role: Co-Principal Investigator	2022-04-04	Final no updates expected
Experimental tank parameters throughout the life of Clathromorphum compactum and C. nereostratum calcification experiment from from 2015-2016 (CorallineAlgaePaleo-pH project) Role: Co-Principal Investigator	2022-04-04	Final no updates expected

Project: RUI: Collaborative Research: Linking physiological thermal thresholds to the distribution of lobster settlers and juveniles (3 datasets)

Dataset	Latest Version Date	Current State
Oxygen consumption by lobster larvae at different temperatures using closed cell respirometry for lobster larvae from Gulf of Maine near Boothbay Maine from 2021 to 2023 (Lobster Thermal Thresholds project) Role: Co-Principal Investigator	2025-03-19	Final no updates expected
Growth and mortality of lobster larvae at different temperatures for lobster larvae from Gulf of Maine near Boothbay Maine from 2021 and 2022 (Lobster Thermal Thresholds project) Role: Co-Principal Investigator	2025-03-21	Final no updates expected
Water temperature data from temperature loggers attached to larval settlement collectors placed on the seafloor in the Gulf of Maine from from June to September 2023 (Lobster Thermal Thresholds project) Role: Co-Principal Investigator	2024-10-08	Preliminary and in progress