Results 121 to 130 of about 270,211 (264)

Using Machine Learning to Understand and Manage the Transformation of Peer Donors to Organizational Donors

Nonprofit Management and Leadership, EarlyView.
ABSTRACT Peer‐to‐peer fundraising has become a popular funding approach for nonprofit organizations, generating quick revenue and a promising opportunity for donor base expansion by transforming peer donors into organizational donors following their peer donation.
Laura Hesse
wiley   +1 more source

Looking Under the Hood Challenges and Remedies for Cross‐Country Surveying of Nonprofit Organizations

Nonprofit Management and Leadership, EarlyView.
ABSTRACT Large‐N cross‐country surveying is a promising, yet methodologically challenging way to contextualize existing research, as it allows researchers to formulate and test hypotheses that verify under what conditions relationships are (un)likely to materialize.
Ben Suykens, Johan Hvenmark, ChiaKo Hung, Bram Verschuere   +3 more
wiley   +1 more source

FURTHER EXTENDED GAMMA AND BETA FUNCTIONS IN TERMS OF GENERALIZED WRIGHT FUNCTION

مجلّة جامعة عدن للعلوم الأساسيّة والتّطبيقيّة, 2020
The main objective of this paper is to introduce a new extension of extended Gamma and Beta functions in terms of generalized Wright function. Various properties of these extended functions are investigated such as integral representations, summation ...
Maisoon Ahmed Hussein Kulib, Fadhle Bin Fadhle Mohsen, Salem Saleh Barahmah   +2 more
doaj  

Inferring community assembly processes from mangrove species–area relationships

Oikos, EarlyView.
The increasing species–area relationship (SAR) is a nearly universal ecological law. But recent theory has predicted that in systems with low large‐scale diversity the law should be violated and the SAR should be nearly flat at intermediate scales, with species richness roughly constant at some value typically greater than one.
Ryan A. Chisholm, Nicholas Z. W. Fong, Daniel A. Friess, Andre S. Rovai   +3 more
wiley   +1 more source

Effects of boreal ground layer shrubs and bryophytes on the diversity, biomass and composition of lichen communities across contrasting ecosystems

Oikos, EarlyView.
There has been much recent interest in understanding how abiotic factors such as light, nutrients, and soil moisture affect the composition and biomass of lichen communities. Meanwhile, whether and how ground layer vegetation such as bryophytes and shrubs also influence lichen communities have received much less attention, particularly regarding how ...
Nicolas Fanin, Johan Asplund, Michael J. Gundale, Paul Kardol, Marie‐Charlotte Nilsson, David A. Wardle   +5 more
wiley   +1 more source