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Decline of monarch butterflies overwintering in Mexico: is the migratory phenomenon at risk?
- L. Brower, O. Taylor, E. Williams, D. Slayback, Raúl R. Zubieta, M. Ramírez
- Environmental Science
- 1 March 2012
Abstract. 1. During the 2009–2010 overwintering season and following a 15‐year downward trend, the total area in Mexico occupied by the eastern North American population of overwintering monarch…
Caribbean Corals in Crisis: Record Thermal Stress, Bleaching, and Mortality in 2005
Comparison of satellite data against field surveys demonstrated a significant predictive relationship between accumulated heat stress (measured using NOAA Coral Reef Watch's Degree Heating Weeks) and bleaching intensity.
Spread of a black-band disease epizootic through the coral reef system in St. Ann's Bay, Jamaica
The distribution, abundance and dispersion patterns of black-band disease (BBD) [Phormidium corallyticum (Cyanobacterium)] were determined on four shallow reefs located on the north coast of Jamaica, finding the distribution of diseased corals appeared to be clumped and infections progressing from one individual to adjacent corals which were attached by contiguous skeleton but unconnected by live tissue.
Predicted disappearance of coral‐reef ramparts: a direct result of major ecological disturbances
Two coral cays near La Parguera, Puerto Rico, have large, exposed coral ramparts composed almost entirely of loose pieces of elkhorn coral Acropora palmata, making the distinct loss of coral-reef ramparts an important physical sign of global disturbances.
The World-Wide Coral Reef Bleaching Cycle and Related Sources of Coral Mortality
Is There a Relationship between Proximity to Sewage Effluent and the Prevalence of Coral Disease
The study suggests a relationship between a high prevalence of BBD and WP type II and exposure to sewage and data from seven belt transects suggest impact area was limited to Frederiksted.
Ability of Pederson Cleaner Shrimp To Remove Juveniles of the Parasitic Cymothoid Isopod, Anilocra Haemuli, From the Host
This study is the first evidence that cleaner shrimps can remove juvenile cymothoid isopods, and Periclimenes pedersoni removed all isopod almost immediately.
Monogeneans from marine fishes of Okinawa, Japan
Monogeneans were recovered from 21 of 348 fishes representing 52 families, 115 genera, and 154 species between May and September 1985 in the coastal waters of Okinawa, including 6 monogeneans not previously known from Okinawa.
The State of Coral Reef Ecosystems of Puerto Rico
INTRODUCTION AND SETTING The Commonwealth of Puerto Rico is comprised of a number of islands in the northern Caribbean, including the island of Puerto Rico and offshore islands such as Culebra,…
Additional records of metazoan parasites from Caribbean marine mammals, including genetically identified anisakid nematodes
- Marlene M. Colón-Llavina, A. Mignucci-Giannoni, S. Mattiucci, M. Paoletti, G. Nascetti, E. Williams
- BiologyParasitology Research
- 7 July 2009
The nematodes belonging to the genus Anisakis recovered in some stranded animals were genetically identified to species level based on their sequence analysis of mitochondrial DNA (629 bp of mtDNA cox 2).