نتایج جستجو برای: s settlement

تعداد نتایج: 727043  

2006

Marine organisms have evolved defence mechanisms to prevent epibiosis. This study investigated the anti-settlement properties of natural periostracal microtopographies of two mytilid species, Mytilus edulis (from North, Baltic and White Seas) and Perna perna (from the SW Atlantic). Resin replicas of shells were exposed to cyprids of the barnacle Semibalanus balanoides. Replicas with intact isot...

Journal: :The Biological bulletin 2003
Andrew H Altieri

Most studies of settlement cues in sessile marine invertebrates have focused on species with the potential to disperse over great distances. This persistent focus has perpetuated the idea that long-distance dispersing species may rely on cues to settle in specific habitats, whereas shortdistance dispersers are delivered directly into a favorable habitat. I tested the effects of water movement a...

2001
Claudia Klüppelberg Martin Severin

Building reserves for outstanding liabilities is an important issue in the financial statement of any insurance company. In this paper we present a new model for delay in claim settlement and to predict IBNR (incurred but not reported) claims. The modelling is based on a data set of a portfolio of car liability data, which describes the claim settlement of a car insurance portfolio. The data co...

2011
Benjamin Mos Kenneth L. Cowden Shaun J. Nielsen Symon A. Dworjanyn

Increasing settlement and post-settlement survival during the critical transition from planktonic larvae to benthic juveniles will increase efficiency for sea urchin aquaculture. This study investigated the effects of temperature and settlement cues on the settlement and post-settlement survival of the sea urchin Tripneustes gratilla during this phase. The current commercial methodology, which ...

2004
R. K. Cowen

Two demersally-spawning fishes were selected to examine the relationship between adult spawning strategies and the early life histories of larvae and juveniles. Although the Caribbean gobies, Coryphopterus glaucofraenum Gill and Gnatholepis thompsoni Jordan are common, co-occurring constituents of nearshore coral reefs, relatively little is known about the early life history and recruitment of ...

2008
Chico L. Birrell Laurence J. McCook Bette L. Willis Lindsay Harrington

Recovery of degraded reefs is dependent on the settlement of coral larvae into habitats typically dominated by benthic algae, so that benthic algae may play pivotal roles in coral settlement and reef recovery. Here we demonstrate that waterborne influences of macroalgae could affect coral settlement before larvae contact reef substrata and that such effects vary between macroalgae. We tested fo...

2013
Katrin Bohn Christopher A. Richardson Stuart R. Jenkins

a r t i c l e i n f o Keywords: Crepidula fornicata Habitat association Larval settlement Microhabitat Post-settlement mortality Recruitment Habitat-specific distributions of marine benthic invertebrates can be caused by several processes acting prior to, during or after settlement, including differential settlement and varying levels of mortality between habitat types following adaptation of t...

2005
Heiko Schmiedel Markku Malkamäki Juha Tarkka

This paper investigates the existence and extent of economies of scale in depository and settlement systems. Evidence from 16 settlement institutions across different regions for the years 1993–2000 indicates the existence of significant economies of scale. The degree of such economies, however, differs by size of settlement institution and region. While smaller settlement service providers rev...

Journal: :The Journal of experimental biology 2014
Kiyotaka Matsumura Pei-Yuan Qian

Gregarious settlement, an essential behavior for many barnacle species that can only reproduce by mating with a nearby barnacle, has long been thought to rely on larval ability to recognize chemical signals from conspecifics during settlement. However, the cyprid, the settlement stage larva in barnacles, has one pair of compound eyes that appear only at the late nauplius VI and cyprid stages, b...

2004
Jens Tapking Jing Yang Stephen Millard Alistair Milne Daniela Russo Victoria Saporta Hyun Song Shin Elizabeth Wrigley

This paper addresses a very European issue, the consolidation of securities trading and settlement infrastructures. In a two-country model, we analyze welfare implications of di¤erent types of consolidation. We …nd that in our model, full technical horizontal integration of settlement systems is better than vertical integration of exchanges and settlement systems, but vertical integration is st...

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