Glossary:I Words

Indian River Lagoon National Estuary Program(IRLNEP)

The Indian River Lagoon National Estuary Program (IRLNEP) is an estuary of national significance under the EPA's National Estuary Program (NEP).

Indian River Lagoon Observatory(IRLO)

The Indian River Lagoon Observatory (IRLO), based at FAU Harbor Branch in Fort Pierce, Florida, is investigating the IRL’s plants, animals, and environment, and how natural and human-induced stressors impact them.

Indian River Lagoon Observatory Network(IRLON)

IRLO research and education activities are enhanced by the deployment of an estuarine observation network of land/ocean biogeochemical observatory (LOBO) units and weather sensors to provide real-time, high-accuracy and high-resolution water quality/weather data through a dedicated interactive website.

Indian River Lagoon Research Institute(IRLRI)

Indian River Lagoon Research Institute (IRLRI) is a part of the Florida Institute of Technology (FIT) Oceanographic Institute in Melbourne, Florida

infauna ( in·fau·na / inˈfônə ) noun

organisms living between the grains of sand or mud.

inland waters noun

Waters landward of the baseline from which the marginal seas are measured and over which complete sovereignty is exercised.

inlet ( in·let / ˈinˌlet,ˈinˌlət ) noun

1. A recess, such as a bay or cove, along a coast.

• a stream or bay leading inland, as from the ocean; an estuary.
• a narrow passage of water, as between two islands.

inshore ( ˈinˌSHôr ) adjective

In beach terminology, the zone of variable width between the shoreface and the seaward limit of the breaker zone.

intertidal zone ( in·ter·ti·dal / ˌin(t)ərˈtīd(ə)l ) adjective

The coastal environment between mean low tide and mean high tide that alternates between subaerial and subaqueous depending on the tidal cycle.

• The zone between the mean higher high water and mean lower low water lines.

invasive species noun

non-native species of plants or animals that out-compete native species in a specific habitat.

invertebrate ( in·ver·te·brate / inˈvərdəbrət,inˈvərdəbrāt ) ) noun

an animal that does not have a backbone; such as snails, worms, and insects.

island ( is·land / ˈīlənd ) noun

An area of land completely surrounded by water.

isopods ( i·so·pod / ˈīsəˌpäd ) noun

aquatic crustaceans with flat, oval body and seven pairs of legs.