10 posts · 8,172 views
Nekton, plankton, pings, and backscatter. Musings on marine ecology, fisheries, oceanography, salt water, and all things tangentially related.
Sam
10 posts
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- June 24, 2011
- 04:51 PM
- 846 views
Are Grouper Eating Invasive Lionfish?
by Sam in Oceanographer's Choice
A short but provocative study just came out in the open-access journal PLoS ONE. As readers may or may not be aware, the Caribbean Sea has seen an invasion of lionfish over the past five to ten years. No one … Continue reading →... Read more »
Peter J. Mumby, Alastair R. Harborne, Daniel R. Brumbaugh. (2011) Grouper as a Natural Biocontrol of Invasive Lionfish. PLoS ONE, 6(6). info:/doi:10.1371/journal.pone.0021510
- April 10, 2011
- 05:10 PM
- 967 views
Beaked Whales and Naval Sonar: What’s Going On?
by Sam in Oceanographer's Choice
There have been huge fights in the past decade over Naval sub-hunting sonar and its effects on certain species of whales. In several cases, mass strandings of marine mammals have occurred shortly after naval exercises where mid-frequency active (MFA) sonar … Continue reading →... Read more »
Tyack PL, Zimmer WM, Moretti D, Southall BL, Claridge DE, Durban JW, Clark CW, D'Amico A, Dimarzio N, Jarvis S.... (2011) Beaked whales respond to simulated and actual navy sonar. PloS one, 6(3). PMID: 21423729
T.M. Cox, T.J. Ragen, A.J. REad, E. Vos, R.W. Baird, K. Balcomb, et al. (2006) Understanding the impacts of anthropogenic sound on beaked whales. Journal of Cetacean Research and Management, 7(3), 177-187. info:/
Jepson, P., Arbelo, M., Deaville, R., Patterson, I., Castro, P., Baker, J., Degollada, E., Ross, H., Herráez, P., Pocknell, A.... (2003) Gas-bubble lesions in stranded cetaceans. Nature, 425(6958), 575-576. DOI: 10.1038/425575a
- February 7, 2011
- 05:40 AM
- 778 views
Reef Noise As Guide for Floating Crustaceans
by Sam in Oceanographer's Choice
Imagine, for a moment, that you are a small planktonic crustacean floating in the tropical ocean. Your world is vast, but its physical geography at your scale is relatively simple. Light and warmth are above, dark and cold are down. … Continue reading →... Read more »
Stephen D. Simpson, Andrew N. Radford, Edward J. Tickle, Mark G. Meekan, Andrew G. Jeffs. (2011) Adaptive Avoidance of Reef Noise. PLoS ONE. info:/doi:10.1371/journal.pone.0016625
Montgomery JC, Jeffs A, Simpson SD, Meekan M, & Tindle C. (2006) Sound as an orientation cue for the pelagic larvae of reef fishes and decapod crustaceans. Advances in marine biology, 143-96. PMID: 16905427
Stanley, J., Radford, C., & Jeffs, A. (2009) Induction of settlement in crab megalopae by ambient underwater reef sound. Behavioral Ecology, 21(1), 113-120. DOI: 10.1093/beheco/arp159
- November 30, 2010
- 04:54 AM
- 1,020 views
Cape Cod Crabs Consume Haline Hay
by Sam in Oceanographer's Choice
An interesting piece of ecological detective work from the shores of New England, which came to my attention via this blog post and this op-ed in the Cape Cod Times. Salt marshes on Cape Cod have been suffering local die-back … Continue reading →... Read more »
HOLDREDGE, C., BERTNESS, M., & ALTIERI, A. (2009) Role of Crab Herbivory in Die-Off of New England Salt Marshes. Conservation Biology, 23(3), 672-679. DOI: 10.1111/j.1523-1739.2008.01137.x
- October 5, 2010
- 02:23 AM
- 624 views
Matching Management to Fish and Fishers
by Sam in Oceanographer's Choice
There are no truly universal laws in ecology. Every pattern and process takes place on its own scale in time and space, and truths that hold at one scale do not necessarily hold at another. This is a fact of life anyone dealing with an ecosystem has to come to terms with, whether they are [...]... Read more »
Ames, T. (2010) Multispecies Coastal Shelf Recovery Plan: A Collaborative, Ecosystem-Based Approach. Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science, 217-231. DOI: 10.1577/C09-052.1
- June 12, 2010
- 03:33 AM
- 871 views
Methods of sampling and analysis and our concepts of ocean dynamics
by Sam in Oceanographer's Choice
I read a paper today (actually, more like an essay) by Peter Wangersky, a longtime chemical oceanographer. Titled “Methods of sampling and analysis and our concepts of ocean dynamics,” it is essentially a personable ramble through six decades of marine science, reflecting on the technical capabilities and sampling methods over time and the [...]... Read more »
Peter J. Wangersky. (2005) Methods of sampling and analysis and our concepts of ocean dynamics. Scientia Marina, 69(S1), 75-84. info:/10.3989/scimar.2005.69s175
- May 16, 2010
- 09:50 PM
- 843 views
Varieties of Oceanographic Experience
by Sam in Oceanographer's Choice
I’ve been thinking a lot lately about issues of scale in ecology lately, both because I’m taking a fascinating seminar on the topic this quarter, and because my particular research is conducive to thinking about them. “Scale” came to the fore as a topic of interest starting in the late 70’s, and is tied [...]... Read more »
Stommel, H. (1963) Varieties of Oceanographic Experience: The ocean can be investigated as a hydrodynamical phenomenon as well as explored geographically. Science, 139(3555), 572-576. DOI: 10.1126/science.139.3555.572
- March 15, 2010
- 07:40 PM
- 1,003 views
Krill v. Salps in the Southern Ocean
by Sam in Oceanographer's Choice
Last week, writing about copepods, I mentioned that they make up what is probably the most massive group of animals on earth. I also mentioned the likely runner up: krill. In particular, the Antarctic krill, Euphausia superba.
The Euphausiids are a major group of small, shrimp-like crustaceans found worldwide in the marine plankton. [...]... Read more »
V Loeb, V Siegel, O Holm-Hansen, R Hewitt, W Fraser, W Trivelpiece, S Trivelpiece. (1997) Effects of sea-ice extent and krill or salp dominance on the Antarctic food web. Nature, 897-900. info:/
- March 10, 2010
- 05:11 AM
- 629 views
Self-Evident Victor of the Invert War
by Sam in Oceanographer's Choice
Invert war has been declared. Personally, I consider myself a lover, not a fighter. And all the inverts are worthy of love in my book. But, knowing that tempers may flare as biologists across the blogosphere come to the defense of their preferred spineless taxa, I thought it would be worth injecting a [...]... Read more »
Naganuma, T. (1996) Calanoid copepods:linking lower-higher trophic levels by linking lower-higher Reynolds numbers. Marine Ecology Progress Series, 311-313. DOI: 10.3354/meps136311
- February 4, 2010
- 10:25 PM
- 591 views
Sustainabewildering Seafood
by Sam in Oceanographer's Choice
I just finished reading a new paper from Jennifer Jaquet et al., mostly from Daniel Pauly’s group at UBC. The paper is titled “Conserving wild fish in a sea of market-based efforts,” and it appears in the current issue of the conservation biology journal Oryx. In it, the authors investigate the proliferation and [...]... Read more »
Jacquet, J., Hocevar, J., Lai, S., Majluf, P., Pelletier, N., Pitcher, T., Sala, E., Sumaila, R., & Pauly, D. (2009) Conserving wild fish in a sea of market-based efforts. Oryx, 44(01), 45. DOI: 10.1017/S0030605309990470
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