scholarly journals Altitudinal zonation of Bryophytes on the Huon Peninsula, Papua New Guinea. A floristic approach, with phytogeographic considerations

1990 ◽  
Vol 2 (1) ◽  
pp. 61-90 ◽  
Author(s):  
Johannes Enroth

The study is based on the major part of the bryophyte material collected during the Koponen-Norris expedition on the Huon Peninsula, Papua New Guinea, in 1981. Only taxa which were collected at least twice are included. Five altitudinal zones, the boundaries of which are indicated by discontinuities in the bryophyte flora, are distinguished: 0 - 300 m, 300 - 1200 m, 1200 - 2200(-2300) m, 2200(-2300) - 2800(- 2900) m, and 2800(-2900) -3400 m. These zones, each characterized by a typical species assemblage, are well in accordance with some earlier New Guinean zonation schemes based on the phanerogamic flora and vegetation. The most obvious correlations between bryophytes’ altitudinal ranges on the Huon Peninsula and their general phytogeography are: New Guinean or Western Melanesian endemics, as well as Malesian endemics, are concentrated at relatively high altitudes (zones III-V); Asian - Oceanian and Asian - Oceanian - Australian taxa, notably mosses, are relatively strongly represented at low to moderate altitudes (zones I-III); species which have their main distribution in the northern hemisphere occur at high altitudes; ‘cosmopolitan’ species either have wide vertical ranges or are restricted to high altitudes.

2008 ◽  
Vol 56 (2) ◽  
pp. 85 ◽  
Author(s):  
L. R. Smales ◽  
D. M. Spratt

This study documents the helminth assemblages of Uromys caudimaculatus (Krefft, 1867) from Papua New Guinea and Australia as well as listing helminths found in U. anak Thomas, 1907 from Papua Indonesia and Papua New Guinea, and U. hadrourus (Winter, 1984) from Queensland Australia. In total, 36 species of helminth, comprising one acanthocephalan, three cestodes (excluding unidentifiable fragments) and 32 nematodes (including two not identified to genus) from 65 hosts were found. The Trichostrongylina nematodes were the dominant group of helminths, the most prevalent species being Odilia uromyos (Mawson, 1961), found in each of the species of Uromys across all regions, and O. melomyos (Mawson, 1961), occurring in U. caudimaculatus from Papua New Guinea and Australia. The helminth species assemblage from U. caudimaculatus, 14 species of helminth from 11 hosts from Papua New Guinea and 23 species of helminth from 51 hosts from Australia, had high species richness but was relatively equitable overall (1/SI = 0.92). The differences found between the helminth assemblages of U. caudimaculatus from Papua New Guinea and Australia suggest that U. caudimaculatus may have travelled to Australia from New Guinea with a small pool of helminth species that was subsequently added to by host switching from sympatric rodent hosts. Alternatively, U. caudimaculatus may have lost many of the helminths that travelled with it following arrival in Australia.


2021 ◽  
Vol 4 (1) ◽  
pp. 1-20
Author(s):  
Manuel Boissière

Taro (Colocasia esculenta) is an essential crop in Papua New Guinea, especially in the highlands where taro grows at high altitudes (above 2,000 m) and sweet potato is absent. Taro and its cultivation are part of the collective memory of the Oksapmin society, in Sandaun province. The creation, maintenance, and harvest of a taro garden follow elaborate techniques and rules, the knowledge of which is not universal among villagers. This article describes the making of a taro garden by Oksapmin cultivators. The process is divided into two parts: activities related to the “mother garden”, where cuttings for the garden-to-be must be harvested, along with activities and techniques involved in preparing the new taro garden. The author discusses the significance of taro gardens in Oksapmin society.


Author(s):  
Donald Denoon ◽  
Kathleen Dugan ◽  
Leslie Marshall

1984 ◽  
Vol 29 (10) ◽  
pp. 786-788
Author(s):  
Patricia M. Greenfield

2012 ◽  
Author(s):  
Esteban Tristan ◽  
Mei-Chuan Kung ◽  
Peter Caccamo

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