He and his team also introduced improved farming techniques, tools, and information on how to grow crops more efficiently and successfully without expanding into elephant habitat.
他和他的团队引入了改良的种植技术和工具，并引介了如何更有效地种植作物，同时避免向大象栖居地扩张。
The reason for the potential habitat overlap is twofold: grizzliesseem to be expanding their range east and south from the Rockies, mostly as a result of their growing population, says Rockwell.
洛克韦尔说，造成这两种动物的栖息地重叠的原因有两个：一是灰熊从洛基山脉向东面和南面正在扩大它们的生存范围，结果使它们的数量不断增长。
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