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Oct 18, 2017

Rockland Harbor Commission Meeting 10/17/17 AUDIO RECORDINGS

Audio recordings form the Rockland Harbormaster Commission meeting held  101717 at the Harbormaster's office.

Note there is considerable background noise from a Rockland Yacht Club event  party being held beyond the room  divider at  back right in the photo.

Part 1. 15minutes

Part 2. 16minutes

Part 3. 20 minutes

Ron Huber recording

Oct 13, 2017

Quorum disruption on industrial scale - an end to natural biofouling?

A critically important event in the life of nearly all marine invertebrates is successfully "settling".

Settling means transitioning from being a floating zooplankton larvae to living in or on the seafloor and other solid marine surfaces. like rocky ledge outcrops seagrasses and seaweeds

It was only relatively recently discovered that  the  larvae of each species  will only succeed in settling, if there is a biofilm of specific bacteria species covering that surface. Mussels, seaworms, barnacles: each requires  a specific microbial welcome mat to land upon


By Tom Defoirdt, 1 , 2 , * Nico Boon, 2 and Peter Bossier 1


Induction of Invertebrate Larval Settlement; Different Bacteria, Different Mechanisms?
Scientific Reports 7, Article number: 42557 (2017)
Marnie L. Freckelton
, Brian T. Nedved
& Michael G. Hadfield


Influence of biofilms on the larval settlement of Balanus reticulatus Utinomi (Cirripedia: Crustacea) 1999


Biofouling Journal 
 2013;29(9):1097-113. doi: 10.1080/08927014.2013.828712. Epub 2013 Sep 18.
Interactions between microbial biofilms and marine fouling algae: a mini review.
Mieszkin S1, Callow ME, Callow JA.


Interactions between microbial biofilms and marine fouling algae: a mini review
Sophie Mieszkin,Maureen E. Callow &James A. Callow
Pages 1097-1113 | Received 31 May 2013, Accepted 20 Jul 2013, Published online: 18 Sep 201

. 2010 Jul; 6(7): e1000989.
Published online 2010 Jul 8. doi:  10.1371/journal.ppat.1000989
PMCID: PMC2900297