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Lake Mikimba (3064002)

Kenya

CWAC status REGISTERED-COUNTED REGULARLY
Authority A Rocha Kenya
Management status COMMUNAL LAND
Conservation status Not protected
IBA information
Ramsar information
Heritage information
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Information 

Date_registered
2018-08-23
Brief_description
Lake Mikimba is one of a number of seasonal lakes that sit in an old river channel of the Sabaki River - effectively an oxbow lake though the whole river course changed dramatically leaving a long section of river channel cut off from the water flow which is now a series of long, narrow lakes. Mikimba is one of the larger ones stretching for almost 4 km in total though the area counted for waterbirds is about 2.5 km in length.
Physical_features
A long, narrow lake with sloping shores in some areas well-wooded with Acacia-Comiphora woodland that is rich in birdlife. The open water component of the lake is fringed by broad reed beds with grass.
Hydrological_features
The lake appears to have a source of water that other lakes in the area do not have since even during the drought of 2016-2017 it was very full. Water is fresh and there does not appear to be a flow of water through the lake.
Ecological_features
The open water holds some waterlilies which are home to duck and rallids; the reed beds are popular with herons and egrets. The surrounding woodland is rich in birdlife and is likely to hold reasonable populations of other wildlife - though snaring is rampant and the habitat is certainly starting to get heavily degraded. Some of the woodland around the lake has been clear-felled in recent years which is a trend seen elsewhere with other similar seasonal lakes. For these lakes the clearance has led to serious erosion of top soil off the surrounding slopes into the lake leading to major siltation and a dramatic reduction in the area of water remaining.

SppCommon nameTaxonomic nameMinAvgMaxIBASubregional
IBA
RAMSAR
50Cormorant, ReedPhalacrocorax africanus90287.00484   
203Crake, BlackAmaurornis flavirostris22.002
52Darter, AfricanAnhinga rufa45.507   
101Duck, FulvousDendrocygna bicolor2626.0026   
91Duck, Knob-billedSarkidiornis melanotos45143.50242   
104Duck, White-backedThalassornis leuconotus77.007   
100Duck, White-facedDendrocygna viduata73208.00343   
61Egret, CattleBubulcus ibis33.003   
58Egret, GreatEgretta alba514.0023   
59Egret, LittleEgretta garzetta1010.0010   
60Egret, Yellow-billedEgretta intermedia22.002   
149Fish-eagle, AfricanHaliaeetus vocifer00.000
86Flamingo, GreaterPhoenicopterus ruber2828.0028   
6Grebe, LittleTachybaptus ruficollis55.005   
263Greenshank, CommonTringa nebularia1818.0018   
55Heron, Black-headedArdea melanocephala33.003   
56Heron, GoliathArdea goliath11.001   
54Heron, GreyArdea cinerea34.506   
57Heron, PurpleArdea purpurea22.002   
62Heron, SquaccoArdeola ralloides24.006   
81Ibis, African SacredThreskiornis aethiopicus47.5011   
83Ibis, GlossyPlegadis falcinellus2766.00105   
228Jacana, AfricanActophilornis africanus3256.0080  
395Kingfisher, GiantMegaceryle maximus11.001
397Kingfisher, MalachiteAlcedo cristata22.002
394Kingfisher, PiedCeryle rudis1515.5016
166Marsh-harrier, WesternCircus aeruginosus11.502
210Moorhen, CommonGallinula chloropus12.003   
74Openbill, AfricanAnastomus lamelligerus6069.0078   
41Pelican, Pink-backedPelecanus rufescens66.006   
886Pintail, NorthernAnas acuta1111.0011
238Plover, Three-bandedCharadrius tricollaris22.002   
92Pygmy-Goose, AfricanNettapus auritus613.0020   
258Sandpiper, CommonActitis hypoleucos11.001  
264Sandpiper, WoodTringa glareola22.503   
85Spoonbill, AfricanPlatalea alba33.003   
270Stilt, Black-wingedHimantopus himantopus1515.0015  
76Stork, Yellow-billedMycteria ibis22.002   
208Swamphen, African PurplePorphyrio madagascariensis55.005  
304Tern, White-wingedChlidonias leucopterus2246.0070   
FITZ logo Ramsar Wetlands International http://www.sanbi.org/

Monday 23 September 2019 10:26
FitzPatrick Institute of African Ornithology
Department of Biological Sciences - University of Cape Town

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