Nesting Habitat Characteristics and Breeding Performance of Dalmatian Pelicans in Lake Mikri Prespa, NW Greece

Waterbirds ◽  
2001 ◽  
Vol 24 (3) ◽  
pp. 386 ◽  
Author(s):  
Giorgos Catsadorakis ◽  
Alain J. Crivelli
Keyword(s):  
Habitat Characteristics ◽  
Breeding Performance ◽  
Nesting Habitat

Nesting Habitat Characteristics of the Marbled Murrelet in Central California Redwood Forests

2006 ◽  
Vol 70 (4) ◽  
pp. 939-946 ◽  
Author(s):  
LAUREN M. BAKER ◽  
M. ZACHARIAH PEERY ◽  
ESTHER E. BURKETT ◽  
STEVEN W. SINGER ◽  
DAVID L. SUDDJIAN ◽  
...  
Keyword(s):  
Habitat Characteristics ◽  
Nesting Habitat ◽  
Central California ◽  
Marbled Murrelet ◽  
Redwood Forests

Productivity and Nesting Habitat Characteristics of the Black Tern in Northern New York

1997 ◽  
Vol 20 (3) ◽  
pp. 596 ◽  
Author(s):  
Irene M. Mazzocchi ◽  
Jeanne M. Hickey ◽  
Robert L. Miller
Keyword(s):  
New York ◽  
Habitat Characteristics ◽  
Nesting Habitat ◽  
Black Tern

scholarly journals Habitat modelling locates nesting areas of the Endangered Black-capped Petrel Pterodroma hasitata on Hispaniola and identifies habitat loss

2020 ◽  
pp. 1-18
Author(s):  
YVAN G. SATGÉ ◽  
ERNST RUPP ◽  
ADAM BROWN ◽  
PATRICK G. R. JODICE
Keyword(s):  
Habitat Loss ◽  
Forest Fires ◽  
Environmental Variables ◽  
Linear Models ◽  
Habitat Characteristics ◽  
Tree Cover ◽  
Suitable Habitat ◽  
Nesting Habitat ◽  
Understorey Vegetation ◽  
Breeding Sites

Summary The Black-capped Petrel or Diablotin Pterodroma hasitata has a fragmented and declining population estimated at c.1,000 breeding pairs. On land, the species nests underground in steep ravines with dense understorey vegetation. The only confirmed breeding sites are located in the mountain ranges of Hispaniola in the Caribbean, where habitat loss and degradation are continuing threats. Other nesting populations may still remain undiscovered but, to locate them, laborious in situ nest searches must be conducted over expansive geographical areas. To focus nest-search efforts more efficiently, we analysed the environmental characteristics of Black-capped Petrel nesting habitat and modeled suitable habitat on Hispaniola using openly available environmental datasets. We used a univariate generalized linear model to compare the habitat characteristics of active Black-capped Petrel nests sites with those of potentially available sites (i.e. random pseudo-absences). Elevation, distance to coast, and the influence of tree cover and density emerged as important environmental variables. We then applied multivariate generalized linear models to these environmental variables that showed a significant relationship with petrel nesting activity. We used the top performing model of habitat suitability model to create maps of predicted suitability for Hispaniola. In addition to areas of known petrel activity, the model identified possible nesting areas for Black-capped Petrels in habitats not previously considered suitable. Based on model results, we estimated the total area of predicted suitable nesting habitat for Black-capped Petrels on Hispaniola and found that forest loss due to hurricanes, forest fires, and encroachment from agriculture had severely decreased availability of predicted suitable habitat between 2000 and 2018.

scholarly journals Struktur Vegetasi dan Karakteristik Habitat Peneluran Penyu Hijau (Chelonia mydas) di Kawasan Konservasi Penyu Pangumbahan Sukabumi

2018 ◽  
Vol 4 (1) ◽  
pp. 36
Author(s):  
Yorianta Sasaerila ◽  
Dewi Elfidasari ◽  
Muhammad Qeis Tsal Sabil
Keyword(s):  
Green Turtle ◽  
Chelonia Mydas ◽  
Habitat Characteristics ◽  
Physical Analysis ◽  
Nesting Habitat ◽  
Conservation Area ◽  
Terminalia Catappa ◽  
Large Trees ◽  
C 30 ◽  
Commercial Trade

<p><em>Abstrak</em> - <strong>Penurunan populasi penyu hijau yang terjadi secara terus menerus dari tahun ke tahun, menyebabkan penyu termasuk dalam daftar CITES Appendiks I plus zero <em>quota of wild capture for commercial trade</em> saat ini. Oleh karena itu perlu dilakukan upaya konservasi yang baik untuk menjaga kelestarian penyu hijau. Salah satu proses yang penting diketahui bagi kelangsungan sirkulasi hidup penyu adalah proses bertelur. Oleh karena itu perlu diketahui </strong><strong>kondisi</strong><strong> pantai yang menjadi habitat penyu bertelur. Penelitian ini bertujuan untuk melakukan identifikasi terhadap jenis dan struktur vegetasi, serta karakteristik habitat </strong><strong>bertelur </strong><strong>penyu hijau di kawasan konservasi penyu pangumbahan sukabumi</strong><strong>. A</strong><strong>nalisa kuantitatif </strong><strong>yang dilakukan </strong><strong>berupa penghitungan indeks nilai penting vegetasi dan analisa fisik lingkungan sekitar </strong><strong>habitat bertelur</strong><strong> penyu. Berdasarkan letak sarang telur penyu, ditemukan sebanyak 12 spesies vegetasi yang terdiri dari 4 jenis berupa pohon besar, 3 jenis berupa pohon kecil, 3 jenis berupa perdu, 3 jenis berupa herba, 1 jenis berupa semak. terdapat lebih dari 3 jenis vegetasi yang sangat penting di pangumbahan yaitu <em>Callophyllum inophyllum, Terminalia catappa, Ipoemoea pes-caprae</em>. Karakteristik fisik pantai pangumbahan juga masih mendukung proses bertelur penyu hijau. Pantai Pangumbahan memiliki rata- rata suhu 20 <sup>o</sup>C-30 <sup>o</sup>C, intensitas cahaya rendah (0) dan kecepatan angin 2,2 knots serta komposisi pasir yang sesuai.</strong></p><p> </p><p><strong><em>Kata </em></strong><strong><em>K</em></strong><strong><em>unci</em></strong><em> -</em><em> </em><em>H</em><em>abitat </em><em>B</em><em>ertelur, </em><em>P</em><em>enyu </em><em>H</em><em>ijau, </em><em>V</em><em>egetasi, </em><em>Pantai </em><em>Pangumbahan</em><em>, Karakter Fisik</em></p><p align="center"><strong> </strong></p><p><em>Abstract</em> - <strong>The decline in green turtle populations that occur continuously from year to year, causing turtles to be included in the list of CITES Appendix I plus zero quotes of wild capture for commercial trade today. Therefore it is necessary to do a good conservation efforts to maintain the sustainability of green turtles. Therefore it is necessary to know the condition of the beach that turtles laying habitat. This study aims to identify the type and structure of vegetation, as well as the green turtle nesting habitat characteristics in turtle conservation area Pangumbahan sukabumi. Quantitative analysis is done by calculating the index of vegetation important values and physical analysis of the environment around turtle nesting habitat. Based on the location of turtle egg nest, found 12 species of vegetation consisting of 4 types of large trees, 3 species of small trees, 3 types of shrubs, 3 types of herbs, 1 species of shrubs. There are more than 3 important vegetation types in pangumbahan namely Callophyllum inophyllum, Terminalia catappa, Ipoemoea pes-caprae. Physical characteristics of pangumbahan beach also still support the process of laying green turtle. Pangumbahan Beach has an average temperature of 20<sup>o</sup>C-30<sup>o</sup>C, low light intensity (0) and wind speed of 2.2 knots and suitable sand composition.</strong></p><p><strong> </strong></p><p><strong><em>Keywords - </em></strong><em>Habitat lay eggs, Green Turtle, Vegetation, Pangumbahan Beach, Physical Character</em></p>

Nesting habitat characteristics of green sea turtle (Chelonia mydas) in the Tambelan archipelago, Indonesia

2021 ◽  
Vol 25 (1) ◽  
Author(s):  
M. Yusuf Rumaida ◽  
Singgih Afifa Putra ◽  
Aras Mulyadi ◽  
Syafruddin Nasution
Keyword(s):  
Chelonia Mydas ◽  
Sea Turtle ◽  
Habitat Characteristics ◽  
Nesting Habitat ◽  
Green Sea Turtle

CONDITIONS OF HILLING HABITAT OF CHELONIA MYDAS (GREEN TURTLE) IN PANGUMBAHAN BEACH UJUNG GENTENG, SUKABUMI SELATAN

2019 ◽  
Vol 1 (02) ◽  
pp. 64-67
Author(s):  
Meilisha Putri Pertiwi ◽  
Suci Siti Lathifah
Keyword(s):  
Data Collection ◽  
Surface Temperature ◽  
Green Turtle ◽  
Data Retrieval ◽  
Distribution Patterns ◽  
Chelonia Mydas ◽  
Nesting Habitat ◽  
Beach Width ◽  
The Many ◽  
Pandanus Tectorius

Research on the condition of the nesting habitat of Chelonia mydas (green turtle) in Pangumbahan Beach, Ujung Genteng, South Sukabumi has been carried out. Data retrieval is done 6 times for 2 days, 27-28 November 2017 at 3 observation stations. The abiotic parameters measured include surface temperature and depth of 50 cm, surface humidity and depth of 50 cm, beach width, beach slope, and the size of sand grains. While the biotic parameters measured were density, relative density, the frequency of attendance, and distribution patterns of Pandanus tectorius (sea pandanus) vegetation. Based on the results of data processing, the biophysical conditions in Pangumbahan Beach are still suitable for the Chelonia mydas nesting habitat. It also got clear evidence of the many Chelonia mydas landings during the data collection.

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