Project: Promonitor

Groupers Spawning Aggregations in the Mexican Caribbean

Fish Spawning Aggregations (FSA) represent a vulnerable ecological process. In many species, individuals travel long distances to reproduce in large groups that occur in a given place and time during short periods, especially in the days after the full moon. In the Caribbean, 37 species are known to spawn at FSA sites, particularly species of...

Relationship between size of polyps and the distribution of sea fans in the Gulf of California

Sea fans, or soft corals, which can form extensive underwater forests, are the dominant group of marine invertebrates in rocky reefs in the Gulf of California (GoC)1. In the GoC, information about this group is scarce and the reason they are abundant or the factors that determine their distribution are unknown. Both soft and rocky...

Finding fish with sound at Cabo Pulmo National Park

Counting fish is not an easy task and traditionally requires dive teams to spend many hours underwater swimming transect lines to visually estimate fish numbers. Hydroacoustics, a general term for the study and application of sound in water, is a more recent technique that can be used to quantify both fish abundance and biomass quickly...

How many species and groups of invertebrates are in the Gulf of California reefs?

The fish communities in the reefs of the Gulf of California (GoC) have been studied extensively (1, 2), however, there is little research on species of invertebrates. The lack of information about this community limits the management and protection of reefs in the GoC (3). How many invertebrate species are in the rocky reefs of...

Promonitor: What is Promonitor Program?

The long-term monitoring program was established in 1998 and serves as a central hub for all research of the Gulf of California Marine Program. We are building on more than a decade of surveys of nearshore marine ecosystems, like rocky reefs, in the central and southern Gulf of California. With this monitoring program we are tracking annual changes in the structure, function, and health of marine ecosystems through annual surveys of fishes and invertebrates at numerous island and coastal sites. Monitoring activities also include quantitative surveys and collections of fishes and invertebrates from mangrove estuaries, sargassum beds, seamounts, and other coastal habitats.

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