Timed species count birds' data of the Kenyan Coastal Forests, 1992 - 1994
Dernière version Publié par National Museums of Kenya le May 8, 2023
The biological importance and uniqueness of East African coastal forests is widely recognized; they form an Endemic Bird Area. Important remnants of this fragmented habitat occur on the southern Kenyan coast, but their avifauna has been little studied before 1992. In January 1992 to September 1994, the avifauna of 20 South Coast Forest fragments were systematically assessed using mist-netting, timed species counts and direct observations. Sixty forest-dependent bird species were recorded, amongst them three that are globally threatened (Sokoke Pipit Anthus sokokensis, Spotted Ground-thrush Geokichla guttata, East Coast Akalat Sheppardia gunningi) three that are near-threatened (Southern Banded Snake Eagle Circaetus fasciolatus, Fischer’s Turaco Tauraco fischeri, Plain-backed Sunbird Anthrepres reichenowi) and four that are ‘restricted-range’ (Fischer’s Turaco, Sokoke Pipit, Mombasa Woodpecker Campethera mombassica, Uluguru Violet-backed Sunbird Anthreptes neglectus). This dataset gives a baseline information on the birds recorded using the timed species count method in 20 forests fragment including: Timbwa, Waa, Kinondo, Diani, Teleza, Mtswakara, Gandini, Muhaka, Mrima,Buda, Gongoni, Marenje, Maluganji ,Shimba Hills, Arabuko Sokoke, Lunguma, Phungi wetland,Ukunda, Chale and Gonja. The dataset contains 2055 entries. The data were formatted according to the Darwin Core Standards by A Rocha Kenya before publishing through the IPT at the National Museums of Kenya, Nairobi.
Enregistrements de données
Les données de cette ressource données d'échantillonnage ont été publiées sous forme d'une Archive Darwin Core (Darwin Core Archive ou DwC-A), le format standard pour partager des données de biodiversité en tant qu'ensemble d'un ou plusieurs tableurs de données. Le tableur de données du cœur de standard (core) contient 73 enregistrements. 1 tableurs de données d'extension existent également. Un enregistrement d'extension fournit des informations supplémentaires sur un enregistrement du cœur de standard (core). Le nombre d'enregistrements dans chaque tableur de données d'extension est illustré ci-dessous.
- Event (noyau)
- Occurrence
Cet IPT archive les données et sert donc de dépôt de données. Les données et métadonnées des ressources sont disponibles au téléchargement dans la section téléchargements. Le tableau des versions liste les autres versions de chaque ressource rendues disponibles de façon publique et permet de tracer les modifications apportées à la ressource au fil du temps.
Téléchargements
Téléchargez la dernière version de la ressource en tant qu'Archive Darwin Core (DwC-A), ou les métadonnées de la ressource au format EML ou RTF :
| Données sous forme de fichier DwC-A (zip) | télécharger 73 enregistrements dans Anglais (39 KB) - Fréquence de mise à jour: inconnue |
|---|---|
| Métadonnées sous forme de fichier EML | télécharger dans Anglais (32 KB) |
| Métadonnées sous forme de fichier RTF | télécharger dans Anglais (17 KB) |
Versions
Le tableau ci-dessous n'affiche que les versions publiées de la ressource accessibles publiquement.
Comment citer
Les chercheurs doivent citer cette ressource comme suit:
Bennun L, Waiyaki E, Ochieng J, Njambi M, Mwangi E, Njoroge P (2023): Timed species count birds' data of the Kenyan Coastal Forests, 1992 - 1994. v1.6. National Museums of Kenya. Dataset/Samplingevent. http://ipt.museums.or.ke/ipt/resource?r=tsc_birds&v=1.6
Droits
Les chercheurs doivent respecter la déclaration de droits suivante:
L’éditeur et détenteur des droits de cette ressource est National Museums of Kenya. This work is licensed under a Creative Commons Attribution Non Commercial (CC-BY-NC) 4.0 License.
Enregistrement GBIF
Cette ressource a été enregistrée sur le portail GBIF, et possède l'UUID GBIF suivante : 8b2ab855-89c5-4bc7-8bd5-f6d243787532. National Museums of Kenya publie cette ressource, et est enregistré dans le GBIF comme éditeur de données avec l'approbation du GBIF Kenya.
Mots-clé
Birds; Timed species count; Kenyan coastal forests; Kwale; Kilifi; Forest Fragments
Contacts
Personne ayant créé cette ressource:
Personne pouvant répondre aux questions sur la ressource:
Personne ayant renseigné les métadonnées:
Autres personnes associées à la ressource:
Couverture géographique
The timed species count was carried out in 20 forest fragments falling under two counties Kilifi and Kwale in the southern Kenyan coast. These forest fragments included: Timbwa, Waa, Kinondo, Diani, Teleza, Mtswakara, Gandini, Muhaka, Mrima,Buda, Gongoni, Marenje, Maluganji ,Shimba Hills,Arabuko Sokoke,Lunguma, Phungi wetland,Ukunda, Chale and Gonja.
| Enveloppe géographique | Sud Ouest [-90, -180], Nord Est [90, 180] |
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Couverture taxonomique
Birds observed via timed species count method within the 20 locations in Coastal Forest were identified to the species level.
| Class | Aves |
|---|---|
| Order | Accipitriformes, Apodiformes, Bucerotiformes, Caprimulgiformes, Columbiformes, Coraciiformes, Cuculiformes, Galliformes, Musophagiformes, Passeriformes, Piciformes, Psittaciformes, Strigiformes, Trogoniformes |
| Family | Sturnidae, Estrildidae, Cisticolidae, Malaconotidae, Capitonidae, Trogonidae, Bucerotidae, Pycnonotidae, Alcedinidae, Turdidae, Nectariniidae, Platysteiridae, Cuculidae, Musophagidae, Picidae, Muscicapidae, Columbidae, Accipitridae, Monarchidae, Meropidae, Phoeniculidae, Nicatoridae, Oriolidae, Phasianidae, Psittacidae, Scotocercidae, Stenostiridae, Rhamphastidae, Ploceidae, Numididae, Coraciidae, Ciconiidae, Ardeidae, Jacanidae, Rallidae, Anatidae, Campephagidae, Indicatoridae, Upupidae, Motacillidae, Lybiidae, Dicruridae, Laniidae, Calyptomenidae, Apodidae, Strigidae, Caprimulgidae |
| Subfamily | Lybiinae |
Couverture temporelle
| Date de début / Date de fin | 1992-01-11 / 1994-09-22 |
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Données sur le projet
This project seeks to protect the important forests of each landscape notably Atewa Forest (Ghana), the Forests of the Kwande and Oban-Liku (Nigeria), West Bugwe (Uganda) and the coastal forests and kayas of Kenya which are all, at least in part, of international conservation importance. Mobilising, sharing, using biodiversity data lies at the heart of A Rocha’s interventions informing, for example, our current campaign to ‘Save the Atewa Forest’ in Ghana, our strategy to protect Kenya’s coastal forests and forest restoration ambitions in Uganda. Yet there is still a wealth of data “locked-up” in collections and reports which, if digitised and published on GBIF, could be used in decisions both today and in the future. As a regional initiative, this project realises a rare chance to bring together regional partners to build capacity in digitising critical biodiversity data and put it to good use to conserve threatened Forest biodiversity.
| Titre | Raising the profile of data for the conservation of four forested African landscapes |
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| Identifiant | BID-AF2020-140-REG |
| Financement | Collection of this dataset was funded by The Overseas Development Administration (UK) Publication of this dataset was funded by the JRS Biodiversity Foundation https://www.gbif.org/project/BID-AF2020-140-REG/raising-the-profile-of-data-for-the-conservation-of-four-forested-african-landscapes |
| Description du domaine d'étude / de recherche | The Kenyan coastal mainland generally consists of plains near the ocean which give way to plateaux and then to ranges further inland (Hawthorne 1993). Forests have developed on plains, plateaux and intrusions. Geologically, pale lagoonal sands and coral dominate the lower plains, merging into red Sandstones before giving way to shales and sandstones on the plateau (Miyata & Saka 1979). The ranges are Duruma sandstone dominated with specks of alkaline igneous intrusions (Hawthorne 1993). Rainfall in areas supporting forest varies in monthly distribution and total amount from around 1 000-1 500 mm annually (Glover et al. 1954). 20 forest fragments scattered along the South Coast between Mombasa town and the Tanzanian border were studied. Coastal forests are diverse in structure and floral composition. For convenience, the forests were classified into three broad categories, based on overall appearance: high, low and intermediate. High forests contained a substantial proportion of tall trees, while low forests were often scrubby, with large trees rare and scattered. These categories roughly correspond with a similar ranking of moisture availability. The 20 forests fragments included:Teleza,Muhaka,Mrima,Buda,Gongoni, Arabuko Sokoke and Shimba Hills classified as tall,Timbwa,Kinondo,Diani ,lunguma,Chale, Ukunda and Marenje classified as intermediate, Waa,Mtswakara,Gandini, Chale, Phungi wetland forest and Maluganji classified as low. |
| Description du design | The TSCs procedure followed Bunnun&Waiyaki (1993). Every time a new bird species was detected during count, the time was recorded, together with an indication of whether the detection was by sight or sound, whether the bird was within 25M of observer and if so, whether it was above 3 m from ground. |
Les personnes impliquées dans le projet:
Méthodes d'échantillonnage
A combination of modified Timed Species Counts (TSCs) (Pomeroy 1992), equivalent to ‘timed transects’ (Bennun & Waiyaki 1993) and ad hoc observations were used to survey the aerial, canopy and mid-canopy species, while mist-netting was used for the shy and skulking undergrowth species. This dataset contains birds recorded using the Time species count method.
| Etendue de l'étude | The survey was undertaken in 20 South Coastal Forest fragments between Mombasa town and Tanzanian border. These fragments included: Timbwa, Waa, Kinondo, Diani, Teleza, Mtswakara, Gandini, Muhaka, Mrima,Buda, Gongoni, Marenje, Maluganji ,Shimba Hills, Arabuko Sokoke, Lunguma, Phungi wetland, Ukunda, Chale and Gonja. |
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| Contrôle qualité | Species identification was done on site by a team of bird experts from the Ornithology Section, National Museums of Kenya. |
Description des étapes de la méthode:
- Eight days were spent in each fragment during the survey. A combination of modified Timed Species Counts (TSCs) (Pomeroy 1992), equivalent to ‘timed transects’ (Bennun & Waiyaki 1993) and ad hoc observations were used to survey the aerial, canopy and mid-canopy species, while mist-netting was used for the shy and skulking undergrowth species. During timed transects, an observer walked steadily for a set period of time (40 minutes) along a trail, recording each time a bird was seen or heard above a set height (3 m) and within a set distance (20 m) from his position. All timed transects (24 per site) were conducted between 06h00 and 10h00 in the morning, a time when birds are most active.
Citations bibliographiques
- Bennun, L.A. & Waiyaki, E.M. 1993. Using timed species-counts to compare avifaunas in the Mau Forests, south-west Kenya. Proc. Pan-Afr. Om. Congr. 8: 366.
- Glover, J., Robinson, P. & Henderson, J.P. 1954. Provisional maps of the reliability of annual rainfall in East Africa. Quarterly Review of the Meterological Society 80: 607.
- Hawthorne, W.D. 1993. East African coastal forest botany. In: Lovett J.C., & Wasser, S.K. (eds.). Biogeography & ecology of the rainforests of Eastern Africa. Cambridge: Cambridge University Press, 57-102. ICBP 1992. Putting biodiversity on the map: Priority Areas for Global Conservation. Cambridge: ICBP.
- Miyata, T. & Saka, Y. 1979. Deformed cross-lamination in the Karoo system, near Mombasa, Kenya. 4" Preliminary report, African Studies, Nagoya University, 63-7 1.
- Pomeroy, D. 1992. Counting Birds. AWF Technical Handbook no. 6. Nairobi: African Wildlife Foundation
Métadonnées additionnelles
| Identifiants alternatifs | 8b2ab855-89c5-4bc7-8bd5-f6d243787532 |
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| http://ipt.museums.or.ke/ipt/resource?r=tsc_birds |