Data Web on Island Environment and Protection (DWIEP)

Coastal and Oceanic Island Database of India

Unnamed Island

Geography
Island code

INKA091


Name of the island

Unnamed Island


Island note
-

Type of island

Oceanic Island


State / UT

Karnataka State


Location

The island is located in River Nethravathi and 0.59 km away from the Mangalore Port in Dakshina Kannada district, Karnataka ()


Geographical coordinates

12°52'1.20"N
74°49'41.88"E


Area

0.10647 sq.km


Area range

Less than 2 sq.km


Climate
This island is located in the Nethravathi river, Mangalore, Dakshina Kannda district. The climate is tropical, with significant rainfall in most months, the short dry season having little effect on the overall climate. The climate is classified as Am according to the Koppen-Geiger climate classification system. The average annual temperature is 27.0 °C and the average precipitation is 3783 mm, the driest month being January with no rains and highest in July which receives an average of 1143 mm of rainfall (Source: climate-data.org)

Terrain

Rocky


Elevation / Altitude

6 m


Soil type

Silty and loamy soils found along the river banks and plain valleys were mainly originated due to the transport of soil (CGWB, 2012)


Fresh water sources

Nil


Hydrology

No information available

Demography
Habitation

Uninhabited


Population

Nil


Language

-


Religion

Not applicable


Ethnic groups

Not applicable


Traditional knowledge

No

Shoreline Characteristics
Coastline / Shoreline

-


Tidal amplitude

1.78 m (Mangalore Port)


Bathymetry

West 1.3 m

Infrastructure and Communication
Infrastructure

Nil


Communication

No

Transportation
Transport

This island can be reached by boats from Mangalore Port that is located 0.59 km away


Nearest Port / Jetty / Harbour

Mangalore Port


Distance to nearest Port / Jetty / Harbour

0.59 km from the Mangalore Port, in Dakshina Kannada district,


Shortest distance from mainland

1.6 km from the center of city, Hampankatta


Nearest Airport

9.5 km from the Mangalore International Airport

Activities
Agriculture

-


Commercial activity

-


Industries

Nil

Tourism
Tourist places

No


Tourism activity

No

Biodiversity and Conservation
Flora

No information available


Fauna

No information available


Medicinal plants

No information available


Type of forest

No information available


Endangered species

No information available


Flagship species

No information available


Keystone species

No information available


Conservation status
(Protected / Unprotected with ESA /
Unprotected without ESA)
Unprotected without ESA

Sanctuary

No (MoeF & CC notification, 2015) Part II- sec 3(iii)


Ecological Sensitive Areas (ESAs)

No


Hazards
Natural hazards

Cyclone and Flood


Seismic sensitivity

As per the Seismic Zone Map of India, this region is assigned under the Moderate Damage Risk Zone III (MSK) VII) (Source: NDMA, 2016)


High Flood Line (HFL) / Tsunami
This island comes under the moderate risk zone (Vb =39m/s) for Wind and Cyclone Vulnerability Map of India (Source: NDMA, 2016) As per the Flood hazard Map of India, the probable maximum surge height of this region is 3 to 4 m (Source: NDMA, 2016)
Environmental Issues
Environment-current issues

Plastic pollution, discharge and littering of wastes (Madhyastha et al., 2003)