Widely occurred woody encroachment in grass-dominated ecosystems has the potential to influence soil organic carbon (SOC) and total nitrogen (TN) pools at local, regional, and global scales. Evaluation of this potential requires assessment of both pool sizes and their spatial patterns. We quantified SOC and TN, their relationships with soil and vegetation attributes, and their spatial scaling along a catena (hill-slope) gradient in the southern Great Plains, USA where woody cover has increased substantially over the past 100 years.

The meaning of land and land policies is diverse and contested across and within local and (inter)national settings. The phrase 'land policy', used to refer to all policies that have anything to do with land, may be convenient, but it masks the actual complexity of issues. Meanwhile, concern for 'pro-poor' land policy has coincided with the mainstream promotion of efficient administration of land policies, leading to the concept of 'land governance'. Such concepts have enriched discussion on land issues, but they also complicate further an already complex terrain.

Marine protected areas (MPAs) and spatial property rights (TURFs) are two seemingly contradictory approaches advocated as solutions to common property failures in fisheries. MPAs limit harvest to certain areas, but may enhance profits outside via spillover. TURFs incentivize local stewardship but may be plagued by spatial externalities when the TURF size is insufficient to capture all dispersal. Within a numerical model parameterized to a California marine species, we explore the economic and ecological effects of imposing MPAs on a TURF-regulated fishery.