Dynamic space use of Andalusian rice fields by Lesser Black‐backed Gulls ( Larus fuscus ) is driven by flooding pattern

Ibis ◽  
2021 ◽  
Author(s):  
Charles B. Van Rees ◽  
David Aragonés ◽  
Willem Bouten ◽  
Chris B. Thaxter ◽  
Eric W.M. Stienen ◽  
...  
Keyword(s):  
Space Use ◽  
Rice Fields ◽  
Larus Fuscus

scholarly journals Dynamic Space Use of Andalusian Rice Fields by Overwintering Lesser Black-Backed Gulls is Driven by Harvest-Related Flooding

2020 ◽  
Author(s):  
Charles B. van Rees ◽  
David Aragonés ◽  
Willem Bouten ◽  
Chris B. Thaxter ◽  
Eric W.M. Stienen ◽  
...  
Keyword(s):  
Large Population ◽  
Space Use ◽  
Early Spring ◽  
Rice Fields ◽  
Gps Tracking ◽  
Human Consumption ◽  
Fish Ponds ◽  
Anthropogenic Landscapes ◽  
Surrounding Landscape ◽  
And Behavior

Abstract Background: Research on the space use and behavior of waterbirds—as highly mobile of wetland habitats—yields important insights on human-wildlife interactions of ecological and societal importance under global change. The extent to which dynamic (within-season) changes in anthropogenic landscapes affects these interactions is poorly understood. Lesser black-backed gulls (Larus fuscus) are prominent biovectors of biological and artificial materials, and have exhibited large population increases in parts of southern Europe in recent decades. Methods: We combined GPS tracking, earth observation, accelerometry and field observations to study the space use of overwintering in a mixed rice field landscape in Andalusia, Southern Spain. We used Manly selectivity metrics and classified remote sensing imagery to directly evaluate space use and habitat selection for these gulls and how it changed throughout the rice harvest cycle. Results: Analysis of over 45,000 GPS fixes and 14 classified remotely-sensed images from winter 2016-17 showed dynamic space use driven by the harvest-related flooding across the rice harvest cycle. Prior to harvest, gulls foraged in rice paddies during the day and roosted in adjacent waterbodies (the River Guadalquivir, and fish ponds) at night. During harvest, they spent nearly 100% of their daily cycle within the rice fields, foraging in harvested paddies and roosting in post-harvest, flooded paddies. After harvest, they roosted in flooded fields at night and foraged at landfills in the surrounding landscape. Conclusion: Gull space use at landscape and paddy scales was closely linked to dynamic land and water management over the rice agricultural cycle, illustrating the detailed scales at which human activities influence the movements of ecologically important, human-associated biovectors like gulls. The frequent early-spring movement patterns of these increasingly numerous gulls between landfills and agricultural fields an important biotransport link for potentially toxic materials between waste sites and places where food is grown for human consumption.

Prospects for Development of Silicon Photoconverters and Batteries for Space Use

2001 ◽  
Vol 55 (9) ◽  
pp. 7 ◽  
Author(s):  
A.P. Gorban ◽  
V.P. Kostylov ◽  
V. N. Borshchov ◽  
A. M. Listratenko
Keyword(s):  
Space Use

SPIRITUAL ISLAM SUNDA DALAM TRADISI HAJAT SOLOKAN

1970 ◽  
Vol 9 (1) ◽  
pp. 98-112
Author(s):  
Imam Setyobudi
Keyword(s):  
Empirical Evidence ◽  
Ecological Systems ◽  
Rice Fields ◽  
Religious Values

This article is the ethnographic notes on leutik Hajat Solokan, aritual ceremony of farmers in Babakan Dago, Rancakalong district,Sumedang West Jawa. This ceremony reflects wisdom values, such asprotecting and maintaining ecological systems which supports their mainjobs, cultivating rice fields. This article provides empirical evidence aboutculture system which packing religious values in order to make it sturdyand stay longer. The writer also found acculturation among some religiousvalues, Hinduism, Chinese, and Islam.

Pengaruh Konversi Lahan terhadap Strategi Pemanfaatan Modal Nafkah Rumah Tangga Buruh Tani

2020 ◽  
Vol 4 (3) ◽  
pp. 407
Author(s):  
Hesti Prastiwi ◽  
Martua Sihaloho
Keyword(s):  
Qualitative Data ◽  
Rice Fields ◽  
Livelihood Strategies ◽  
Quantitative Approach ◽  
Survey Method ◽  
Land Conversion ◽  
Literature Study ◽  
Irrigated Rice ◽  
Sustainable Food ◽  
The Impact

Lahan merupakan salah satu sumber daya agraria yang sangat penting bagi petani dikarenakan lahan merupakan salah satu sumber untuk bertahan hidup. Sesuai dengan Undang-Undang Dasar Nomor 41 Tahun 2009 tentang Perlindungan Lahan Pertanian Pangan Berkelanjutan. Pembangunan yang terjadi di Indonesia semakin masif, menimbulkan konversi lahan bersifat permanen ketika lahan sawah beririgasi berubah menjadi kawasan pemukiman atau industri. Konversi lahan yang terjadi menyebabkan hilangnya beberapa atau seluruh modal nafkah yang ada. Perubahan modal nafkah ini akan mengakibatkan perubahan strategi nafkah petani. Penelitian ini bertujuan untuk menganalisis dampak konversi lahan terhadap strategi nafkah dan pengaruh pemanfaatan  modal nafkah  terhadap strategi nafkah rumah tangga. Lokasi penelitian ini yaitu Desa Pasirgaok, Kecamatan Rancabungur, Kabupaten Bogor. Metode yang digunakan untuk menggali fakta, data, dan informasi dalam penelitian adalah pendekatan kuantitatif melalui metode survei dengan kuesioner yang didukung oleh data kualitatif melalui wawancara dan studi literatur hingga diperoleh hasil bahwa dampak konversi lahan mempengaruhi modal dan strategi nafkah.Kata Kunci: buruh tani, konversi lahan, modal nafkah, strategi nafkah=====ABSTRACTLand is one of the most important agrarian resources for farmers because land is one source of livelihood survival. According to Constitution Number 41 Year 2009 on concerning The Protection of Sustainable Food Agriculture. The development that is taking place in Indonesia is increasingly massive leading to permanent land conversion when technical irrigated rice fields change into residential or industrial areas. The land conversion that occurs causes a loss of some or all existing livelihood asset. This change in livelihood asset will result in a change in farmers livelihood strategies. This study aims to analyze the influence of the impact of land conversion towards livelihood strategies and the influence of the utilization of livelihood asset towards the livelihood strategies households. The location of this research is Pasirgaok Village, Rancabungur District, Bogor Regency. The method used to extract facts, data, and information in the research is the quantitative approach through survey method with questionnaires supported by qualitative data through interview and literature study until it is obtained that the impact of land conversion towards landless farmer household’s assets and livelihood strategies.Keywords: land conversion, landless farmer, livelihood asset, livelihood strategies

Avifauna using rice fields in the mid-western region of South Korea

2020 ◽  
Vol 27 (2) ◽  
pp. 107-115
Author(s):  
Seok-Jun Son ◽  
Green Choi ◽  
Min-Seock Do ◽  
Hyung-Kyu Nam
Keyword(s):  
South Korea ◽  
Rice Fields ◽  
Western Region
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