Sedayu Mangroves

Sedayu Mangroves

Sedayu-mangrove_ton

Location:7-ª00’S, 112-ª38’E; near Sedayu, about 30 km NNW of Surabaya, East Java.
Area:c.10 ha.
Altitude:Sea level.
Description of site:
A small patch of mangrove forest, once part of an extensive belt of coastal mangroves. The mangrove forest is backed by a belt of Nypa palms about one km wide, but this is now much degraded. There are extensive intertidal mudflats along the seaward edge of the mangroves, and numerous brackish water and freshwater fish ponds in adjacent areas.
Climatic conditions:
Humid tropical climate.
Principal vegetation:
Mangrove forest consisting of Avicennia sp and Rhizophora, and Nypa fruticans.
Land tenure:
No information.
Conservation measures taken:
The mangrove forest is protected by the local people. There is one guard to patrol the area.
Land use:
Forest protection; aquaculture in adjacent areas.
Disturbances and threats:
The mangrove forest at the site and in adjacent areas has been heavily disturbed by logging, reclamation and pollution. This has led to a reduction in income from the inshore fishery.
Fauna:
The mangrove forest supports a mixed breeding colony of large waterbirds containing several hundred nests. Breeding species include Phalacrocorax spp, Anhinga melanogaster, Bubulcus ibis, Egretta spp, Ardea purpurea, A. cinerea and Threskiornis melanocephalus. The Milky Stork Mycteria cinerea is present throughout the year but does not breed at the site. Porphyrio porphyrio is common. Flocks of up to 100 migratory shorebirds have been recorded in the immediate vicinity of the site during the migration periods.

List of Birds (16 species)
Species Red Data Book Cites
Actitis hypoleucos
Alcedo coerulescens
Ardea cinerea
Ardea purpurea
Ardeola speciosa
Bubulcus ibis
Charadrius leschenaultii Charadrius mongolus
Halcyon chloris
Ixobrychus sinensis
Lanius schach
Mycteria cinerea Vulnerable App I
Phalacrocorax sulcirostris
Pluvialis fulva
Porphyrio porphyrio
Threskiornis melanocephalus Lower Risk

 

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