Smallholdings near or in urban areas may be especially vulnerable .
那些在城市附近或城市中的小农场特别容易受到病毒的侵袭。
A large flow ran from the west into the valley , serving the villages and smallholdings .
跑了一个大流量从西到山谷,服务村庄和小农场。
To make matters worse , smallholdings are fragmenting in many countries .
让事态更恶化的是,小型农场在许多国家是不成规模的。
Desert takes up some 95 % of the country , but the fertile remainder , albeit fractured into millions of smallholdings , has become much more productive .