We studied the relationships among plant and arbuscular mycorrhizal (AM) fungal diversity, and their effects on ecosystem function, in a series of replicate tropical forestry plots in the La Selva Biological Station, Costa Rica. Forestry plots were 12 yr old and were either monocultures of three tree species, or polycultures of the tree species with two additional understory species. Relationsh...

By leveraging the principle of software polyculture to ensure security in a network, we propose vulnerability-based diversity metric determine how network topology can be adapted minimize vulnerability while maintaining maximum connectivity. Our proposed estimates node using vulnerabilities packages installed on nearby nodes attack paths reachable node. diversity-based adaptation (SDA) scheme e...

Abstrak. Pengelolaan tanah dengan pola tanam monokultur dan polikultur menghasilkan perbedaan sifat fisika pada tanah. Sifat yang menjadi objek penelitian ini adalah C-organik, bulk density, stabilitas agregat, laju infiltrasi tanah, struktur Penelitian bertujuan untuk mengevaluasi penggunaan lahan di Kecamatan Labuhan Haji Kabupaten Aceh Selatan. menggunakan metode survei deskriptif. Penentuan...

The effects of aquaculture on the ecology of the water column have been extensively studied in the last two decades. However, to date, it has not been possible to extrapolate homogeneous information from the peer-reviewed literature. In the present study, 68 peer-reviewed articles were analysed and about 1087 study cases were used to test whether worldwide cultivations of aquatic organisms (shr...

Stressful environments may enhance the occurrence of facilitative interspecific interactions between plants. In several regions, Zostera marina occurs in mixed assemblages. However, the potential effects of plant diversity on stress responses and stability properties of Z. marina are poorly understood. We investigated the resistance and recovery of Z. marina subjected to shading (1 mo) in a fie...

Fish plays an important role in the Bangladeshi diet, constituting the main and often irreplaceable animal food in rural households. Fish consumption is dominated by wild small indigenous fish species (SIS). The vitamin A content in SIS varies from less than 100 to more than 2,500 retinol equivalents (RE) per 100 g of raw edible parts. This study assessed the dietary contribution of vitamin A, ...