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The Potential of Social Science Theory for the Evaluation and Improvement of Drug Courts.


Journal of Drug Issues; 10/01/2012
(AN 87687114)
SPORTDiscus with Full Text

Those Girls: Single Women in Sixties and Seventies Popular Culture.


Journal of Popular Culture; 12/01/2012
(AN 84484446)
SPORTDiscus with Full Text

HIV Sex-Risk Behaviors among In- versus Out-of-Treatment Heroin-Addicted Adults.


American Journal of Drug & Alcohol Abuse; 07/01/2012
(AN 76460714)
SPORTDiscus with Full Text

Us and Them: U.S. Ambivalence Toward the World Cup and American Nationalism.


Journal of Sport & Social Issues; 05/01/2012
(AN 74469217)
SPORTDiscus with Full Text

NBA Gambling Inefficiencies: A Second Look.


Sport Journal; 01/01/2012
(AN 74313883)
SPORTDiscus with Full Text

Sponge communities on Caribbean coral reefs are structured by factors that are top-down, not bottom-up.


Related Articles

Sponge communities on Caribbean coral reefs are structured by factors that are top-down, not bottom-up.

PLoS One. 2013;8(5):e62573

Authors: Pawlik JR, Loh TL, McMurray SE, Finelli CM

Abstract
Caribbean coral reefs have been transformed in the past few decades with the demise of reef-building corals, and sponges are now the dominant habitat-forming organisms on most reefs. Competing hypotheses propose that sponge communities are controlled primarily by predatory fishes (top-down) or by the availability of picoplankton to suspension-feeding sponges (bottom-up). We tested these hypotheses on Conch Reef, off Key Largo, Florida, by placing sponges inside and outside predator-excluding cages at sites with less and more planktonic food availability (15 m vs. 30 m depth). There was no evidence of a bottom-up effect on the growth of any of 5 sponge species, and 2 of 5 species grew more when caged at the shallow site with lower food abundance. There was, however, a strong effect of predation by fishes on sponge species that lacked chemical defenses. Sponges with chemical defenses grew slower than undefended species, demonstrating a resource trade-off between growth and the production of secondary metabolites. Surveys of the benthic community on Conch Reef similarly did not support a bottom-up effect, with higher sponge cover at the shallower depth. We conclude that the structure of sponge communities on Caribbean coral reefs is primarily top-down, and predict that removal of sponge predators by overfishing will shift communities toward faster-growing, undefended species that better compete for space with threatened reef-building corals.

PMID: 23667492 [PubMed - in process]

Assessing resident performance and training of colonoscopy in a general surgery training program


Title: Assessing resident performance and training of colonoscopy in a general surgery training program
Author(s): Hope, William W.; Hooks, W. Borden, III; Kilbourne, S. Nicole; et al.
Source: SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 27 (5): 1706-1710 MAY 2013
Document Type: Article

Neuropsychological test performance of Spanish speakers: Is performance different across different Spanish-speaking subgroups?


Title: Neuropsychological test performance of Spanish speakers: Is performance different across different Spanish-speaking subgroups?
Author(s): Bure-Reyes, Annelly; Hidalgo-Ruzzante, Natalia; Vilar-Lopez, Raquel; et al.
Source: JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY, 35 (4): 404-412 APR 1 2013
Document Type: Article

On the relativity of relative frequencies


Title: On the relativity of relative frequencies
Author(s): Warren, Erin; Cohen, Dale J.
Source: Attention Perception & Psychophysics, 75 (3): 614-629 2013
Document Type: Article

Assessing and increasing physical activity.


Journal of Applied Behavior Analysis; 12/01/2012
(AN 2013-02767-022)
PsycINFO

Participation in formal and informal volunteering: Implications for volunteer recruitment.


Nonprofit Management and Leadership; 12/01/2012
(AN 2012-33252-002)
PsycINFO

Firm innovation and the ratchet effect among consumer packaged goods firms.


Marketing Science; 11/01/2012
(AN 2012-34574-004)
PsycINFO

Workplace predictors of family-facilitative coworker support.


Journal of Workplace Behavioral Health; 10/01/2012
(AN 2012-30019-006)
PsycINFO

Caribbean Religious History: An Introduction.


NWIG: New West Indian Guide / Nieuwe West-Indische Gids; 03/01/2012
(AN 76600121)
Historical Abstracts