इस वाक्य का उचित हिंदी अनुवाद दिए गए विकल्पों में से चुने The changes in ecology and environment seriously affect their livelihood options.

दिए गए गद्यांश को पढ़ कर उससे संभंधित प्रश्नों के उत्तर दीजिये। The De-notified, Nomadic and Semi-Nomadic Tribes are the most neglected, marginalized and economically and socially deprived communities. Most of them have been living a life of destitution for generations and still continue to do so with an uncertain and gloomy future. Historically, these communities never had access to private land or home ownership. These tribes used forests and grazing lands for their livelihood and residential use and had "strong ecological connections. Many of them are dependent upon various types of natural resources and carve out intricate ecological niches for their survival. The changes in ecology and environment seriously affect their livelihood options. A Scheme for empowerment of DNT communities has been formulated for families having income from all sources of Rs.2.50 lakh or less per annum and not availing any such benefits from similar Scheme of Centre Government or the State Government.