The main threat the species is facing is the loss / degradation of habitat due to draining of wetlands, the decline of traditional, extensive agriculture and overgrowing of the species'habitat with reeds and bushes or trees.
32.
Large areas of Otmoor have benefited from extensive agriculture using traditional methods, resulting in good numbers of songbirds which are otherwise declining in the UK . These include : bullfinches, skylarks, reed buntings, grasshopper warblers and European turtle doves.
33.
As much of those lands certainly were capable of supporting extensive agriculture, the natives choosing not to do so seems like an odd choice that would be worthy of study . talk ) 01 : 43, 18 October 2015 ( UTC)
34.
Tall grasslands, including the tallgrass prairie of North America and the Humid Pampas of Argentina, have moderate rainfall and rich soils which make them ideally suited to extensive agriculture, and tall grassland ecoregions include some of the most productive grain-growing regions in the world.
35.
However, like anywhere else, you have to consider the soil : do most temperate or tropical deserts worldwide have the right nutrients and other factors to permit extensive agriculture when water is added, or is it more common that the soil simply can't be farmed productively?
36.
The growing use of the horse, combined with the failure, roughly around 2000 BC, of the always precarious irrigation systems that had allowed for extensive agriculture in the region, gave rise and dominance of pastoral nomadism by 1000 BC, a way of life that would dominate the region for the next several millennia.
37.
Whereas deforestation was primarily driven by subsistence activities and government-sponsored development projects like transmigration in countries like Indonesia and colonization in Latin America, India, Java, and so on, during the late 19th century and the earlier half of the 20th century, by the 1990s the majority of deforestation was caused by industrial factors, including extractive industries, large-scale cattle ranching, and extensive agriculture.
